Rio Valley Charter

Summary:

Rio Valley Charter is a public charter school in Lodi, California, serving 787 students from kindergarten to 12th grade. This alternative educational institution stands out with its impressive metrics, including a high 96.8% four-year graduation rate and an exceptionally low 0.0% chronic absenteeism rate in the 2022-2023 school year.

Compared to nearby alternative schools like John F. Cruikshank Junior, one.Charter, and San Joaquin County Special Education, Rio Valley Charter excels with its significantly higher graduation rates, lower dropout rates, and better academic performance on standardized tests. For example, in 11th grade English Language Arts, Rio Valley Charter scored 49.33% proficient or better, compared to just 3.92% for one.Charter and 9.09% for John F. Cruikshank Junior.

Despite serving a diverse population, with 54.51% of students receiving free or reduced-price lunch, Rio Valley Charter maintains a student-teacher ratio of 21.2, which is lower than the nearby traditional public schools like ABLE Charter and Valley Robotics Academy. The school's proximity to Vista Oaks Charter, another public charter school in the area, suggests a demand for alternative educational options in the Lodi region.


Detail:

Public, Charter, Alternative K-12

 1110 West Kettleman Drive Ste.
       Lodi, CA  95240-6602


(209) 368-4934

District: Rio Valley Charter District

SchoolDigger Rank:
3127th of 5,862 California Alternative Schools


Student/teacher ratio:  21.2 Help
Number of students:  787

Racial breakdown:

White:
42.9%
Hispanic:
38.4%
African American:
7.4%
more

Free/discounted lunch recipients:  54.5% Help


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Performance Trends
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Compare Details Rio Valley Charter ranks worse than 53.3% of elementary schools in California. (See more...)
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Compare Details In 2024 the calculated Average Standard Score was 40.88. (See more...)
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Compare Details Rio Valley Charter ranks better than 58.8% of middle schools in California. (See more...)
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Compare Details In 2024 the calculated Average Standard Score was 50.84. (See more...)
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Compare Details Rio Valley Charter ranks better than 57.3% of high schools in California. (See more...)
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Compare Details In 2024 the calculated Average Standard Score was 45.11. (See more...)
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The four-year cohort graduation rate measures the percentage of students at Rio Valley Charter who earn a standard high school diploma within four years of starting ninth grade.
Help
The high school dropout rate measures the percentage of students who do not complete their high school education.
Help
Chronic absenteeism in a school refers to a situation where students repeatedly miss school, with the threshold often defined as missing 10% or more of school days for any reason, excused or unexcused.
Schooldigger 2024 Rankings:

Rio Valley Charter:

SchoolDigger ranks Rio Valley Charter 3127th of 5862 California public elementary schools. (See Rio Valley Charter in the ranking list.)

Elementary School Test Score Ratings by Student Subgroup:


Low Socio Economic Status students:
Female students:
Male students:
Hispanic students:
White students:

SchoolDigger ranks Rio Valley Charter 1145th of 2777 California public middle schools. (See Rio Valley Charter in the ranking list.)

Middle School Test Score Ratings by Student Subgroup:


Special Education students:
Low Socio Economic Status students:
Female students:
Male students:
Asian students:
Hispanic students:
White students:

SchoolDigger ranks Rio Valley Charter 992nd of 2323 California public high schools. (See Rio Valley Charter in the ranking list.)

High School Test Score Ratings by Student Subgroup:


English Language Learner students:
Special Education students:
Low Socio Economic Status students:
Female students:
Male students:
Asian students:
African American students:
Hispanic students:
White students:




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Rank History for Rio Valley Charter

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Rank History for all elementary school students at Rio Valley Charter

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2019 32.90 3702nd 5789 36.1%
2022 29.03 3944th 5883 33.0%
2023 27.24 4156th 5874 29.2%
2024 40.88 3127th 5862 46.7%
See the entire list of California Alternative School Rankings!

Rank History for elementary school Low Socio Economic Status students at Rio Valley Charter

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2019 35.42 3472nd 5173 32.9%
2022 27.81 4014th 5264 23.7%
2023 24.25 4363rd 5374 18.8%
2024 45.32 2721st 5511 50.6%
See the entire list of Best California Alternative Schools for Low Socio Economic Status Students!

Rank History for elementary school Female students at Rio Valley Charter

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2019 35.17 3400th 5492 38.1%
2022 31.31 3625th 5635 35.7%
2023 29.43 3825th 5617 31.9%
2024 35.71 3354th 5605 40.2%
See the entire list of Best California Alternative Schools for Female Students!

Rank History for elementary school Male students at Rio Valley Charter

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2019 31.24 3684th 5510 33.1%
2022 27.42 4011th 5663 29.2%
2023 26.79 4061st 5650 28.1%
2024 46.62 2653rd 5636 52.9%
See the entire list of Best California Alternative Schools for Male Students!

Rank History for elementary school Hispanic students at Rio Valley Charter

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2019 54.28 2019th 4963 59.3%
2022 35.35 3265th 5084 35.8%
2023 25.07 4113th 5098 19.3%
2024 42.96 2761st 5102 45.9%
See the entire list of Best California Alternative Schools for Hispanic Students!

Rank History for elementary school White students at Rio Valley Charter

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2019 8.93 2669th 2834 5.8%
2022 14.64 2404th 2726 11.8%
2023 16.17 2316th 2662 13.0%
2024 26.26 2064th 2647 22.0%
See the entire list of Best California Alternative Schools for White Students!

Data source: test scores: California Department of Education, rankings: SchoolDigger.com

Rank History for Rio Valley Charter

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Rank History for all middle school students at Rio Valley Charter

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2019 24.13 2019th 2715 25.6%
2022 37.99 1527th 2740 44.3%
2023 49.05 1195th 2802 57.4%
2024 50.84 1145th 2777 58.8%
See the entire list of California Alternative School Rankings!

Rank History for middle school Special Education students at Rio Valley Charter

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2023 57.82 426th 1538 72.3%
2024 74.15 240th 1550 84.5%
See the entire list of Best California Alternative Schools for Special Education Students!

Rank History for middle school Low Socio Economic Status students at Rio Valley Charter

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2019 24.20 1896th 2369 20.0%
2022 28.01 1771st 2458 27.9%
2023 42.45 1250th 2549 51.0%
2024 50.73 1017th 2575 60.5%
See the entire list of Best California Alternative Schools for Low Socio Economic Status Students!

Rank History for middle school Female students at Rio Valley Charter

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2019 16.85 2047th 2380 14.0%
2022 30.01 1663rd 2509 33.7%
2023 44.80 1191st 2547 53.2%
2024 40.57 1315th 2546 48.4%
See the entire list of Best California Alternative Schools for Female Students!

Rank History for middle school Disabled students at Rio Valley Charter

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2019 41.49 719th 1491 51.8%
See the entire list of Best California Alternative Schools for Disabled Students!

Rank History for middle school Male students at Rio Valley Charter

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2019 33.03 1521st 2407 36.8%
2022 46.65 1149th 2527 54.5%
2023 51.96 1008th 2558 60.6%
2024 61.17 792nd 2547 68.9%
See the entire list of Best California Alternative Schools for Male Students!

Rank History for middle school Asian students at Rio Valley Charter

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2024 16.94 621st 741 16.2%
See the entire list of Best California Alternative Schools for Asian Students!

Rank History for middle school Hispanic students at Rio Valley Charter

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2019 23.17 1782nd 2213 19.5%
2022 31.80 1566th 2359 33.6%
2023 40.84 1249th 2391 47.8%
2024 46.20 1090th 2383 54.3%
See the entire list of Best California Alternative Schools for Hispanic Students!

Rank History for middle school White students at Rio Valley Charter

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2019 8.17 1512th 1602 5.6%
2022 20.12 1275th 1555 18.0%
2023 42.55 873rd 1552 43.8%
2024 42.22 861st 1535 43.9%
See the entire list of Best California Alternative Schools for White Students!

Data source: test scores: California Department of Education, rankings: SchoolDigger.com

Rank History for Rio Valley Charter

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Rank History for all high school students at Rio Valley Charter

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2019 28.13 1465th 2133 31.3%
2022 43.56 1078th 2123 49.2%
2023 37.12 1223rd 2348 47.9%
2024 45.11 992nd 2323 57.3%
See the entire list of California Alternative School Rankings!

Rank History for high school English Language Learner students at Rio Valley Charter

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2019 25.57 899th 941 4.5%
2023 18.43 1291st 1323 2.4%
2024 50.13 250th 1350 81.5%
See the entire list of Best California Alternative Schools for English Language Learner Students!

Rank History for high school Special Education students at Rio Valley Charter

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2023 43.89 607th 1547 60.8%
2024 49.07 521st 1534 66.0%
See the entire list of Best California Alternative Schools for Special Education Students!

Rank History for high school Low Socio Economic Status students at Rio Valley Charter

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2019 29.99 1352nd 1937 30.2%
2022 41.48 1084th 1943 44.2%
2023 29.76 1412th 2247 37.2%
2024 48.98 881st 2235 60.6%
See the entire list of Best California Alternative Schools for Low Socio Economic Status Students!

Rank History for high school Homeless students at Rio Valley Charter

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2023 30.11 284th 417 31.9%
See the entire list of Best California Alternative Schools for Homeless Students!

Rank History for high school Female students at Rio Valley Charter

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2019 29.34 1288th 1833 29.7%
2022 39.48 1067th 1858 42.6%
2023 35.52 1214th 2118 42.7%
2024 40.21 1073rd 2098 48.9%
See the entire list of Best California Alternative Schools for Female Students!

Rank History for high school Disabled students at Rio Valley Charter

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2019 35.97 623rd 1117 44.2%
2022 47.08 455th 1161 60.8%
See the entire list of Best California Alternative Schools for Disabled Students!

Rank History for high school Male students at Rio Valley Charter

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2019 22.85 1392nd 1880 26.0%
2022 44.75 944th 1916 50.7%
2023 36.96 1139th 2207 48.4%
2024 48.72 842nd 2172 61.2%
See the entire list of Best California Alternative Schools for Male Students!

Rank History for high school Asian students at Rio Valley Charter

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2023 13.51 648th 731 11.4%
2024 13.24 611th 712 14.2%
See the entire list of Best California Alternative Schools for Asian Students!

Rank History for high school African American students at Rio Valley Charter

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2019 11.90 563rd 592 4.9%
2023 40.58 392nd 720 45.6%
2024 37.87 421st 721 41.6%
See the entire list of Best California Alternative Schools for African American Students!

Rank History for high school Hispanic students at Rio Valley Charter

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2019 23.75 1356th 1814 25.2%
2022 30.10 1310th 1861 29.6%
2023 29.79 1384th 2142 35.4%
2024 39.42 1132nd 2125 46.7%
See the entire list of Best California Alternative Schools for Hispanic Students!

Rank History for high school White students at Rio Valley Charter

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2019 10.57 1084th 1222 11.3%
2022 41.16 697th 1204 42.1%
2023 31.34 900th 1434 37.2%
2024 35.65 825th 1406 41.3%
See the entire list of Best California Alternative Schools for White Students!

Data source: test scores: California Department of Education, rankings: SchoolDigger.com

As you review the school rankings data, please be aware that some of the information from certain demographics is missing. The reason for this omission is that the data has been redacted from the source data itself due to low population samples in these specific demographic groups.

Redacting data from low population samples is a necessary step to ensure the reliability and accuracy of the results, as small sample sizes may not be representative of the broader population. Additionally, this measure helps protect the privacy of individuals belonging to these demographic groups.

Rio Valley Charter Test Scores
Tests: 
  
Grades: 
  
Years: 
  
Group by: 
State Scores:    
  
Subgroup: 












Data source: California Department of Education

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Enrollment information for Rio Valley Charter

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Year White African American Asian Hispanic American Indian Pacific Islander Two or More Races Not Specified Total
2019 365 60 65 271 8 0 64 0 833
2020 378 74 49 271 10 0 52 0 834
2021 382 69 60 279 19 4 24 0 837
2022 350 62 64 274 11 1 17 0 779
2023 338 58 57 302 11 1 20 0 787

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Enrollment/Ethnicity

For more information about how the Department of Education defines ethnicity, see Defining Race and Ethnicity Data, National Center for Education Statistics

Students eligible for free or discounted lunch at Rio Valley Charter

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Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
2019 833 31.5 26.4 56.8
2020 834 n/a n/a 53.5
2021 837 33.8 24.6 58.4
2022 779 31.2 24.9 59.9
2023 787 37.1 21.2 54.5

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Students eligible for discounted/free lunch:

The National School Lunch Program (NSLP) provides low-cost or free meals to students in U.S. public and nonprofit private schools based on household income. Those with incomes below 130% of the poverty line receive free lunch, while those between 130% and 185% qualify for reduced-price lunch. The percentage of students receiving free or reduced-price lunch serves as a marker for poverty, as it reflects the socioeconomic status of families in a given school or district. A higher FRPL rate typically indicates a higher concentration of low-income families, suggesting that the school or district may face additional challenges in providing adequate resources and support for student success.

Student/Teacher Ratio Rio Valley Charter

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Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
2019 833 31.5 26.4 56.8
2020 834 n/a n/a 53.5
2021 837 33.8 24.6 58.4
2022 779 31.2 24.9 59.9
2023 787 37.1 21.2 54.5

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Student-Teacher Ratio

Student/teacher ratio is calculated by dividing the total number of students by the total number of full-time equivalent teachers. Please note that a smaller student/teacher ratio does not necessarily translate to smaller class size. In some instances, schools hire teachers part time, and some teachers are hired for specialized instruction with very small class sizes. These and other factors contribute to the student/teacher ratio. Note: For private schools, Student/teacher ratio may not include Pre-Kindergarten.

Kindergarten Immunization Rates

Rio Valley Charter

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YearCompletely ImmunizedMedical ExemptionConditionalPolioHepatitis BVaricellaDTPMMR
202056.3%4.2%2.1%60.4%66.7%56.3%56.3%56.3%
202165.5%1.8%0.0%85.5%78.2%67.3%67.3%67.3%
202242.2%2.2%0.0%48.9%62.2%44.4%48.9%46.7%

Data source: California Department of Public Health
Pre and Post Pandemic Data

Impact of COVID-19 on Rio Valley Charter

The coronavirus has had a profound impact on education in America. Learning shifted online overnight, attendance numbers dwindled, and enrollment decreased. SchoolDigger.com is making it easier for you to better assess how COVID-19 has impacted your school. Through the collection of pre-pandemic (2019) and current data, SchoolDigger.com is sharing test scores, enrollment numbers and school demographics from schools across the country – and we make it easy to see how impacted schools compare locally and statewide.

Rankings

Rank
Pre-pandemic (2018-2019)
Rank
Post pandemic (2022-2023)
Change (%)
Ranks 3702nd of 5789 Elementary schoolsRanks 4156th of 5874 Elementary schools
 6.8%
Ranks 2019th of 2715 Middle schoolsRanks 1195th of 2802 Middle schools
 31.7%
Ranks 1465th of 2133 High schoolsRanks 1223rd of 2348 High schools
 16.6%

Test Scores

% proficient
Pre-pandemic (2018-2019)
% proficient
Post pandemic (2022-2023)
Change (%)
3rd Grade English Language Arts/Literacy (Rio Valley Charter)43.521.2
 22.3%
   3rd Grade English Language Arts/Literacy (California)48.543
 5.6%
3rd Grade Mathematics (Rio Valley Charter)31.817.7
 14.2%
   3rd Grade Mathematics (California)50.245.1
 5.1%
4th Grade English Language Arts/Literacy (Rio Valley Charter)39.531.6
 7.9%
   4th Grade English Language Arts/Literacy (California)49.543.7
 5.7%
4th Grade Mathematics (Rio Valley Charter)36.813.2
 23.7%
   4th Grade Mathematics (California)44.940.8
 4.1%
5th Grade English Language Arts/Literacy (Rio Valley Charter)34.826.9
 7.9%
   5th Grade English Language Arts/Literacy (California)51.746.7
 5%
5th Grade Mathematics (Rio Valley Charter)11.119.2
 8.1%
   5th Grade Mathematics (California)3833.4
 4.6%
5th Grade Science (Rio Valley Charter)26.125
 1.1%
   5th Grade Science (California)31.731.9
 0.1%
6th Grade English Language Arts/Literacy (Rio Valley Charter)38.144
 5.9%
   6th Grade English Language Arts/Literacy (California)48.544.2
 4.3%
6th Grade Mathematics (Rio Valley Charter)16.724
 7.3%
   6th Grade Mathematics (California)38.533.2
 5.3%
7th Grade English Language Arts/Literacy (Rio Valley Charter)41.242.6
 1.4%
   7th Grade English Language Arts/Literacy (California)51.447.4
 3.9%
7th Grade Mathematics (Rio Valley Charter)23.528.3
 4.8%
   7th Grade Mathematics (California)37.933.2
 4.7%
8th Grade English Language Arts/Literacy (Rio Valley Charter)32.441.7
 9.2%
   8th Grade English Language Arts/Literacy (California)49.445.7
 3.8%
8th Grade Mathematics (Rio Valley Charter)13.529.2
 15.7%
   8th Grade Mathematics (California)36.629.9
 6.7%
8th Grade Science (Rio Valley Charter)14.931.9
 17.1%
   8th Grade Science (California)30.828.8
 2.1%
10th Grade Science (Rio Valley Charter)8.313
 4.7%
   10th Grade Science (California)23.224.1
 0.9%
11th Grade English Language Arts/Literacy (Rio Valley Charter)31.650
 18.4%
   11th Grade English Language Arts/Literacy (California)57.355.4
 1.9%
11th Grade Mathematics (Rio Valley Charter)7.712
 4.3%
   11th Grade Mathematics (California)32.227.4
 4.9%
11th Grade Science (Rio Valley Charter)11.622.9
 11.3%
   11th Grade Science (California)30.431.7
 1.3%
12th Grade Science (Rio Valley Charter)15.47.7
 7.7%
   12th Grade Science (California)25.626.9
 1.3%

Student Body

Number of students
Pre-pandemic (2018-2019)
Number of students
Post pandemic (2022-2023)
Change (%)
Total Students833787
 5.5%
African American6058
 3.3%
American Indian811
 37.5%
Asian6557
 12.3%
Hispanic271302
 11.4%
Pacific Islander01
White365338
 7.4%
Two or More Races6420
 68.8%
% Free/Discounted Lunch Recipients56.8%54.5%
 2.3%


Schools Near Rio Valley Charter









Frequently Asked Questions about Rio Valley Charter

Rio Valley Charter ranks 3127th of 5862 California alternative schools. SchoolDigger rates this school 2 stars out of 5.

In the 2022-23 school year, 787 students attended Rio Valley Charter.

Students at Rio Valley Charter are 43% White, 38% Hispanic, 7% African American, 7% Asian, 3% Two or more races, 1% American Indian.


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SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the California Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.





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