River Islands Technology Academy II

Summary:

River Islands Technology Academy II is a public charter elementary school serving 993 students in grades K-8 in Lathrop, California, a city within the Manteca Unified school district. This high-performing school consistently outperforms the state average in English Language Arts/Literacy and Mathematics, with particularly strong proficiency rates in 5th-7th grade ELA and 6th grade Math.

The school's academic excellence is especially notable for its African American and English Language Learner student populations, which rank in the top 5-10% of California elementary schools. However, the school's performance for Asian, White, and Multi-racial students is relatively lower, suggesting a need to examine practices to ensure equitable outcomes for all groups. With a chronic absenteeism rate of 19.1% and a relatively low percentage of free and reduced-price lunch recipients at 34.04%, River Islands Technology Academy II stands out as a model of academic success in the region.

The school's proximity to several lower-performing Manteca Unified elementary schools presents an opportunity for River Islands Technology Academy II to serve as a model and potentially collaborate to improve educational outcomes in the broader community. With its consistent academic excellence and effective strategies for supporting historically underserved populations, the school may be well-positioned to expand its reach or share best practices with neighboring schools.


Detail:

Public, Charter K-8

 1175 Marina Dr.
       Lathrop, CA  95330-8543


(209) 229-4700

District: River Islands Technology Academy II District

SchoolDigger Rank:
1401st of 5,862 California Elementary Schools


Student/teacher ratio:  27.4 Help
Number of students:  993

Racial breakdown:

Hispanic:
37.0%
Asian:
34.1%
White:
14.5%
more

Free/discounted lunch recipients:  34% Help


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Performance Trends
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Compare Details River Islands Technology Academy II ranks better than 76.1% of elementary schools in California. (See more...)
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Compare Details In 2024 the calculated Average Standard Score was 74.14. (See more...)
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Compare Details River Islands Technology Academy II ranks better than 86.4% of middle schools in California. (See more...)
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Compare Details In 2024 the calculated Average Standard Score was 85.16. (See more...)
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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:

River Islands Technology Academy II:

SchoolDigger ranks River Islands Technology Academy II 1401st of 5862 California public elementary schools. (See River Islands Technology Academy II in the ranking list.)

Elementary School Test Score Ratings by Student Subgroup:


Multi-racial students:
English Language Learner students:
Special Education students:
Low Socio Economic Status students:
Female students:
Male students:
Asian students:
Hispanic students:
White students:

SchoolDigger ranks River Islands Technology Academy II 378th of 2777 California public middle schools. (See River Islands Technology Academy II in the ranking list.)

Middle School Test Score Ratings by Student Subgroup:


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


River Islands Technology Academy II District:

SchoolDigger ranks River Islands Technology Academy II District 223rd of 1568 California school districts. (See district ranking list.)


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Rank History for River Islands Technology Academy II

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Rank History for all elementary school students at River Islands Technology Academy II

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2019 70.62 1580th 5789 72.7%
2021 77.81 297th 1417 79.0%
2022 79.86 1193rd 5883 79.7%
2023 75.88 1333rd 5874 77.3%
2024 74.14 1401st 5862 76.1%
See the entire list of California Elementary School Rankings!

Rank History for elementary school Multi-racial students at River Islands Technology Academy II

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2022 36.68 420th 610 31.1%
2023 18.89 575th 669 14.1%
2024 12.93 610th 669 8.8%
See the entire list of Best California Elementary Schools for Multi-racial Students!

Rank History for elementary school English Language Learner students at River Islands Technology Academy II

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2019 81.00 303rd 3275 90.7%
2021 87.68 35th 602 94.2%
2022 79.28 305th 3311 90.8%
2023 73.99 402nd 3250 87.6%
2024 65.32 533rd 3160 83.1%
See the entire list of Best California Elementary Schools for English Language Learner Students!

Rank History for elementary school Special Education students at River Islands Technology Academy II

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2023 55.88 754th 2420 68.8%
2024 68.40 527th 2634 80.0%
See the entire list of Best California Elementary Schools for Special Education Students!

Rank History for elementary school Low Socio Economic Status students at River Islands Technology Academy II

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2019 64.42 1487th 5173 71.3%
2021 87.21 87th 1110 92.2%
2022 80.93 721st 5264 86.3%
2023 78.46 833rd 5374 84.5%
2024 67.89 1362nd 5511 75.3%
See the entire list of Best California Elementary Schools for Low Socio Economic Status Students!

Rank History for elementary school Female students at River Islands Technology Academy II

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2019 74.40 1320th 5492 76.0%
2021 78.36 254th 1267 80.0%
2022 79.59 1130th 5635 79.9%
2023 73.16 1365th 5617 75.7%
2024 72.10 1397th 5605 75.1%
See the entire list of Best California Elementary Schools for Female Students!

Rank History for elementary school Disabled students at River Islands Technology Academy II

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2019 62.91 652nd 2585 74.8%
2021 53.04 99th 293 66.2%
2022 53.59 733rd 2227 67.1%
See the entire list of Best California Elementary Schools for Disabled Students!

Rank History for elementary school Male students at River Islands Technology Academy II

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2019 63.89 1777th 5510 67.7%
2021 74.69 296th 1272 76.7%
2022 77.53 1215th 5663 78.5%
2023 76.56 1241st 5650 78.0%
2024 74.21 1309th 5636 76.8%
See the entire list of Best California Elementary Schools for Male Students!

Rank History for elementary school Asian students at River Islands Technology Academy II

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2019 47.92 732nd 1149 36.3%
2022 53.10 686th 1154 40.6%
2023 54.47 681st 1190 42.8%
2024 56.79 656th 1203 45.5%
See the entire list of Best California Elementary Schools for Asian Students!

Rank History for elementary school African American students at River Islands Technology Academy II

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2022 98.50 8th 663 98.8%
See the entire list of Best California Elementary Schools for African American Students!

Rank History for elementary school Hispanic students at River Islands Technology Academy II

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2019 76.22 872nd 4963 82.4%
2022 77.41 841st 5084 83.5%
2023 74.55 980th 5098 80.8%
2024 72.97 1048th 5102 79.5%
See the entire list of Best California Elementary Schools for Hispanic Students!

Rank History for elementary school White students at River Islands Technology Academy II

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2019 32.66 2077th 2834 26.7%
2022 49.41 1481st 2726 45.7%
2023 47.09 1507th 2662 43.4%
2024 38.02 1756th 2647 33.7%
See the entire list of Best California Elementary Schools for White Students!

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

Rank History for River Islands Technology Academy II

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Rank History for all middle school students at River Islands Technology Academy II

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2019 74.64 606th 2715 77.7%
2021 80.70 137th 894 84.7%
2022 79.64 488th 2740 82.2%
2023 77.21 545th 2802 80.5%
2024 85.16 378th 2777 86.4%
See the entire list of California Elementary School Rankings!

Rank History for middle school Multi-racial students at River Islands Technology Academy II

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2024 55.88 313th 699 55.2%
See the entire list of Best California Elementary Schools for Multi-racial Students!

Rank History for middle school English Language Learner students at River Islands Technology Academy II

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2021 99.72 2nd 363 99.4%
See the entire list of Best California Elementary Schools for English Language Learner Students!

Rank History for middle school Special Education students at River Islands Technology Academy II

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2023 52.24 513th 1538 66.6%
2024 74.87 230th 1550 85.2%
See the entire list of Best California Elementary Schools for Special Education Students!

Rank History for middle school Low Socio Economic Status students at River Islands Technology Academy II

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2019 81.36 279th 2369 88.2%
2021 86.31 50th 721 93.1%
2022 70.67 506th 2458 79.4%
2023 74.39 432nd 2549 83.1%
2024 84.39 273rd 2575 89.4%
See the entire list of Best California Elementary Schools for Low Socio Economic Status Students!

Rank History for middle school Female students at River Islands Technology Academy II

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2019 79.54 434th 2380 81.8%
2021 82.81 106th 738 85.6%
2022 84.26 357th 2509 85.8%
2023 81.31 417th 2547 83.6%
2024 82.93 388th 2546 84.8%
See the entire list of Best California Elementary Schools for Female Students!

Rank History for middle school Disabled students at River Islands Technology Academy II

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2022 50.20 561st 1531 63.4%
See the entire list of Best California Elementary Schools for Disabled Students!

Rank History for middle school Male students at River Islands Technology Academy II

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2019 67.62 652nd 2407 72.9%
2021 76.24 153rd 763 79.9%
2022 72.59 578th 2527 77.1%
2023 69.33 630th 2558 75.4%
2024 84.20 353rd 2547 86.1%
See the entire list of Best California Elementary Schools for Male Students!

Rank History for middle school Asian students at River Islands Technology Academy II

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2019 42.02 492nd 745 34.0%
2022 55.40 386th 733 47.3%
2023 57.07 355th 718 50.6%
2024 56.53 373rd 741 49.7%
See the entire list of Best California Elementary Schools for Asian Students!

Rank History for middle school African American students at River Islands Technology Academy II

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2022 97.05 10th 637 98.4%
See the entire list of Best California Elementary Schools for African American Students!

Rank History for middle school Hispanic students at River Islands Technology Academy II

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2019 72.66 440th 2213 80.1%
2022 67.76 551st 2359 76.6%
2023 66.94 588th 2391 75.4%
2024 82.78 267th 2383 88.8%
See the entire list of Best California Elementary Schools for Hispanic Students!

Rank History for middle school White students at River Islands Technology Academy II

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2019 53.68 725th 1602 54.7%
2022 52.19 727th 1555 53.2%
2023 55.21 657th 1552 57.7%
2024 71.97 388th 1535 74.7%
See the entire list of Best California Elementary 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.

River Islands Technology Academy II Test Scores
Tests: 
  
Grades: 
  
Years: 
  
Group by: 
State Scores:    
  
Subgroup: 









Data source: California Department of Education

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Enrollment information for River Islands Technology Academy II

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Year White African American Asian Hispanic American Indian Pacific Islander Two or More Races Not Specified Total
2019 161 47 225 294 5 5 50 0 787
2020 186 50 277 339 6 3 62 0 923
2021 189 58 311 374 6 4 79 0 1021
2022 171 59 329 366 5 7 82 0 1019
2023 144 54 339 367 4 6 79 0 993

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 River Islands Technology Academy II

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Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
2019 787 36.0 21.8 27.2
2020 923 n/a n/a 24.5
2021 1021 39.0 26.1 24.7
2022 1019 42.0 24.2 30.2
2023 993 36.2 27.4 34

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 River Islands Technology Academy II

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Compare
Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
2019 787 36.0 21.8 27.2
2020 923 n/a n/a 24.5
2021 1021 39.0 26.1 24.7
2022 1019 42.0 24.2 30.2
2023 993 36.2 27.4 34

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.
Pre and Post Pandemic Data

Impact of COVID-19 on River Islands Technology Academy II

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 1580th of 5789 Elementary schoolsRanks 1333rd of 5874 Elementary schools
 4.6%
Ranks 606th of 2715 Middle schoolsRanks 545th of 2802 Middle schools
 2.9%

Test Scores

% proficient
Pre-pandemic (2018-2019)
% proficient
Post pandemic (2022-2023)
Change (%)
3rd Grade English Language Arts/Literacy (River Islands Technology Academy II)76.447.5
 28.9%
   3rd Grade English Language Arts/Literacy (California)48.543
 5.6%
3rd Grade Mathematics (River Islands Technology Academy II)75.344.3
 31%
   3rd Grade Mathematics (California)50.245.1
 5.1%
4th Grade English Language Arts/Literacy (River Islands Technology Academy II)59.455.9
 3.5%
   4th Grade English Language Arts/Literacy (California)49.543.7
 5.7%
4th Grade Mathematics (River Islands Technology Academy II)5664.7
 8.7%
   4th Grade Mathematics (California)44.940.8
 4.1%
5th Grade English Language Arts/Literacy (River Islands Technology Academy II)55.971.3
 15.4%
   5th Grade English Language Arts/Literacy (California)51.746.7
 5%
5th Grade Mathematics (River Islands Technology Academy II)38.256.6
 18.3%
   5th Grade Mathematics (California)3833.4
 4.6%
5th Grade Science (River Islands Technology Academy II)37.345.9
 8.7%
   5th Grade Science (California)31.731.9
 0.1%
6th Grade English Language Arts/Literacy (River Islands Technology Academy II)62.165
 2.9%
   6th Grade English Language Arts/Literacy (California)48.544.2
 4.3%
6th Grade Mathematics (River Islands Technology Academy II)46.343.1
 3.2%
   6th Grade Mathematics (California)38.533.2
 5.3%
7th Grade English Language Arts/Literacy (River Islands Technology Academy II)78.556.9
 21.6%
   7th Grade English Language Arts/Literacy (California)51.447.4
 3.9%
7th Grade Mathematics (River Islands Technology Academy II)56.353.9
 2.4%
   7th Grade Mathematics (California)37.933.2
 4.7%
8th Grade English Language Arts/Literacy (River Islands Technology Academy II)58.760.8
 2.1%
   8th Grade English Language Arts/Literacy (California)49.445.7
 3.8%
8th Grade Mathematics (River Islands Technology Academy II)60.947.5
 13.4%
   8th Grade Mathematics (California)36.629.9
 6.7%
8th Grade Science (River Islands Technology Academy II)32.630
 2.6%
   8th Grade Science (California)30.828.8
 2.1%

Student Body

Number of students
Pre-pandemic (2018-2019)
Number of students
Post pandemic (2022-2023)
Change (%)
Total Students787993
 26.2%
African American4754
 14.9%
American Indian54
 20%
Asian225339
 50.7%
Hispanic294367
 24.8%
Pacific Islander56
 20%
White161144
 10.6%
Two or More Races5079
 58%
% Free/Discounted Lunch Recipients27.2%34%
 6.8%


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Frequently Asked Questions about River Islands Technology Academy II

Students at River Islands Technology Academy II are 37% Hispanic, 34% Asian, 15% White, 8% Two or more races, 5% African American.

River Islands Technology Academy II ranks 1401st of 5862 California elementary schools. SchoolDigger rates this school 4 stars out of 5.

In the 2022-23 school year, 993 students attended River Islands Technology Academy II.


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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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