Odyssey Charter

Summary:

Odyssey Charter is a high-performing public charter elementary school serving grades K-8 in Altadena, CA, with 461 students. This school consistently outpaces nearby traditional public schools and other charter schools on key metrics like test scores, student group performance, and chronic absenteeism.

Odyssey Charter stands out for its exceptional academic achievement. In 2023-2024, the school had 75.75% of students proficient or better in ELA End of Course, compared to the state average of 47.04%. In math, 69% of Odyssey Charter students were proficient or better, versus 35.54% statewide. The school also performs exceptionally well for its Hispanic and White student populations, ranking in the top 25% and top 50% of California elementary schools respectively. With a chronic absenteeism rate of 18.7% in 2022-2023, Odyssey Charter also has a lower rate than the nearby Pasadena Unified schools, which range from 23-41%.

Odyssey Charter's excellence extends beyond its own student body. The school outperforms nearby traditional public schools like Altadena Elementary and Washington Elementary STEM Magnet on test scores across all grade levels and subject areas. It also outpaces nearby charter schools such as Alma Fuerte Public and OCS - South. This consistent high performance has earned Odyssey Charter a ranking in the top 10-20% of California elementary schools and a 4-5 star rating from Odyssey Charter District.


Detail:

Public, Charter K-8

 725 West Altadena Dr.
       Altadena, CA  91001-4103


(626) 229-0993

District: Odyssey Charter District

SchoolDigger Rank:
658th of 5,862 California Elementary Schools


Student/teacher ratio:  25.6 Help
Number of students:  461

Racial breakdown:

White:
45.3%
Hispanic:
28.4%
Two or more races:
15.2%
more

Free/discounted lunch recipients:  23.4% Help


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Performance Trends
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Compare Details Odyssey Charter ranks better than 88.8% of elementary schools in California. (See more...)
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Compare Details In 2024 the calculated Average Standard Score was 90.62. (See more...)
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Compare Details Odyssey Charter ranks better than 97.1% of middle schools in California. (See more...)
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Compare Details In 2024 the calculated Average Standard Score was 97.32. (See more...)
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Chronic absenteeism in a high 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:

Odyssey Charter:

SchoolDigger ranks Odyssey Charter 658th of 5862 California public elementary schools. (See Odyssey Charter in the ranking list.)

Elementary School Test Score Ratings by Student Subgroup:


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

SchoolDigger ranks Odyssey Charter 80th of 2777 California public middle schools. (See Odyssey Charter in the ranking list.)

Middle School Test Score Ratings by Student Subgroup:


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


Odyssey Charter District:

SchoolDigger ranks Odyssey Charter District 70th of 1568 California school districts. (See district ranking list.)


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Rank History for Odyssey Charter

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Rank History for all elementary school students at Odyssey Charter

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2019 85.82 860th 5789 85.1%
2022 82.70 1058th 5883 82.0%
2023 92.33 550th 5874 90.6%
2024 90.62 658th 5862 88.8%
See the entire list of California Elementary School Rankings!

Rank History for elementary school Multi-racial students at Odyssey Charter

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2019 61.73 195th 445 56.2%
See the entire list of Best California Elementary Schools for Multi-racial Students!

Rank History for elementary school Special Education students at Odyssey Charter

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2024 56.55 801st 2634 69.6%
See the entire list of Best California Elementary Schools for Special Education Students!

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

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2019 70.66 1152nd 5173 77.7%
2022 68.87 1220th 5264 76.8%
2023 84.03 617th 5374 88.5%
2024 80.25 816th 5511 85.2%
See the entire list of Best California Elementary Schools for Low Socio Economic Status Students!

Rank History for elementary school Female students at Odyssey Charter

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2019 84.53 845th 5492 84.6%
2022 84.31 900th 5635 84.0%
2023 91.96 506th 5617 91.0%
2024 90.68 583rd 5605 89.6%
See the entire list of Best California Elementary Schools for Female Students!

Rank History for elementary school Male students at Odyssey Charter

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2019 83.21 906th 5510 83.6%
2022 79.52 1124th 5663 80.2%
2023 89.75 629th 5650 88.9%
2024 88.51 687th 5636 87.8%
See the entire list of Best California Elementary Schools for Male Students!

Rank History for elementary school Hispanic students at Odyssey Charter

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2019 76.65 848th 4963 82.9%
2022 84.42 576th 5084 88.7%
2023 89.27 385th 5098 92.4%
2024 92.72 256th 5102 95.0%
See the entire list of Best California Elementary Schools for Hispanic Students!

Rank History for elementary school White students at Odyssey Charter

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2019 87.65 163rd 2834 94.2%
2022 70.49 791st 2726 71.0%
2023 85.52 234th 2662 91.2%
2024 78.85 464th 2647 82.5%
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 Odyssey Charter

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Rank History for all middle school students at Odyssey Charter

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2019 93.72 179th 2715 93.4%
2022 95.00 138th 2740 95.0%
2023 97.44 81st 2802 97.1%
2024 97.32 80th 2777 97.1%
See the entire list of California Elementary School Rankings!

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

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2019 83.57 239th 2369 89.9%
2022 84.73 217th 2458 91.2%
2023 87.29 205th 2549 92.0%
2024 94.11 121st 2575 95.3%
See the entire list of Best California Elementary Schools for Low Socio Economic Status Students!

Rank History for middle school Female students at Odyssey Charter

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2019 93.70 135th 2380 94.3%
2022 93.68 160th 2509 93.6%
2023 97.80 45th 2547 98.2%
2024 97.18 55th 2546 97.8%
See the entire list of Best California Elementary Schools for Female Students!

Rank History for middle school Male students at Odyssey Charter

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2019 92.71 189th 2407 92.1%
2022 94.32 145th 2527 94.3%
2023 94.67 142nd 2558 94.4%
2024 96.16 100th 2547 96.1%
See the entire list of Best California Elementary Schools for Male Students!

Rank History for middle school Hispanic students at Odyssey Charter

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2019 91.12 114th 2213 94.8%
2022 91.23 122nd 2359 94.8%
2023 98.74 21st 2391 99.1%
2024 99.76 7th 2383 99.7%
See the entire list of Best California Elementary Schools for Hispanic Students!

Rank History for middle school White students at Odyssey Charter

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2019 96.58 7th 1602 99.6%
2022 95.16 21st 1555 98.6%
2023 93.64 22nd 1552 98.6%
2024 91.94 50th 1535 96.7%
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.

Odyssey Charter Test Scores
Tests: 
  
Grades: 
  
Years: 
  
Group by: 
State Scores:    
  
Subgroup: 









Data source: California Department of Education

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Enrollment information for Odyssey Charter

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Year White African American Asian Hispanic American Indian Pacific Islander Two or More Races Not Specified Total
2019 212 45 17 145 0 0 65 0 484
2020 213 51 16 134 0 0 64 0 478
2021 201 47 13 140 0 0 70 0 471
2022 199 37 15 143 0 0 69 0 463
2023 209 28 23 131 0 0 70 0 461

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 Odyssey Charter

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Compare
Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
2019 484 18.0 26.8 30
2020 478 n/a n/a 30.8
2021 471 18.0 26.1 27.8
2022 463 18.0 25.7 23.5
2023 461 18.0 25.6 23.4

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 Odyssey Charter

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Compare
Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
2019 484 18.0 26.8 30
2020 478 n/a n/a 30.8
2021 471 18.0 26.1 27.8
2022 463 18.0 25.7 23.5
2023 461 18.0 25.6 23.4

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

Odyssey Charter

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Compare
YearCompletely ImmunizedMedical ExemptionConditionalPolioVaricellaDTPMMRHepatitis B
202096.2%3.8%0.0%96.2%96.2%96.2%96.2%
202165.9%4.9%12.2%70.7%85.4%75.6%87.8%90.2%

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

Impact of COVID-19 on Odyssey 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 860th of 5789 Elementary schoolsRanks 550th of 5874 Elementary schools
 5.5%
Ranks 179th of 2715 Middle schoolsRanks 81st of 2802 Middle schools
 3.7%

Test Scores

% proficient
Pre-pandemic (2018-2019)
% proficient
Post pandemic (2022-2023)
Change (%)
3rd Grade English Language Arts/Literacy (Odyssey Charter)66.772
 5.3%
   3rd Grade English Language Arts/Literacy (California)48.543
 5.6%
3rd Grade Mathematics (Odyssey Charter)60.876
 15.2%
   3rd Grade Mathematics (California)50.245.1
 5.1%
4th Grade English Language Arts/Literacy (Odyssey Charter)73.170.6
 2.5%
   4th Grade English Language Arts/Literacy (California)49.543.7
 5.7%
4th Grade Mathematics (Odyssey Charter)67.352.9
 14.4%
   4th Grade Mathematics (California)44.940.8
 4.1%
5th Grade English Language Arts/Literacy (Odyssey Charter)70.482
 11.6%
   5th Grade English Language Arts/Literacy (California)51.746.7
 5%
5th Grade Mathematics (Odyssey Charter)61.166
 4.9%
   5th Grade Mathematics (California)3833.4
 4.6%
5th Grade Science (Odyssey Charter)48.270
 21.9%
   5th Grade Science (California)31.731.9
 0.1%
6th Grade English Language Arts/Literacy (Odyssey Charter)83.682.5
 1.2%
   6th Grade English Language Arts/Literacy (California)48.544.2
 4.3%
6th Grade Mathematics (Odyssey Charter)70.967.9
 3.1%
   6th Grade Mathematics (California)38.533.2
 5.3%
7th Grade English Language Arts/Literacy (Odyssey Charter)8085.7
 5.7%
   7th Grade English Language Arts/Literacy (California)51.447.4
 3.9%
7th Grade Mathematics (Odyssey Charter)63.373.5
 10.2%
   7th Grade Mathematics (California)37.933.2
 4.7%
8th Grade English Language Arts/Literacy (Odyssey Charter)8384.3
 1.3%
   8th Grade English Language Arts/Literacy (California)49.445.7
 3.8%
8th Grade Mathematics (Odyssey Charter)58.560.8
 2.3%
   8th Grade Mathematics (California)36.629.9
 6.7%
8th Grade Science (Odyssey Charter)57.766.7
 9%
   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 Students484461
 4.8%
African American4528
 37.8%
American Indian00
Asian1723
 35.3%
Hispanic145131
 9.7%
Pacific Islander00
White212209
 1.4%
Two or More Races6570
 7.7%
% Free/Discounted Lunch Recipients30%23.4%
 6.5%


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Frequently Asked Questions about Odyssey Charter

Odyssey Charter ranks 658th of 5862 California elementary schools. SchoolDigger rates this school 4 stars out of 5.

In the 2022-23 school year, 461 students attended Odyssey Charter.

Students at Odyssey Charter are 45% White, 28% Hispanic, 15% Two or more races, 6% African American, 5% Asian.


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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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