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Charter Oak Unified Schools
Charter Oak Unified is a public school district in California, based in Los Angeles County (Covina). SchoolGrade grades 10 of its schools on actual versus projected test scores; every school below has its own page.
Charter Oak Unified on the map
District boundary from the NCES EDGE composite school district file. Each marker is a graded school; click it for its grade and scores.
SchoolGrade summary for Charter Oak Unified
9 of 10 schools in Charter Oak Unified carry a SchoolGrade (1 have no school-level proficiency results in our source data). Grade distribution:
A: 1B: 3C: 4D: 1
Best schools in Charter Oak Unified
Statewide rankings: all 1561 high schools in California · all 1283 middle schools in California · all 5668 elementary schools in California
The ten highest SchoolGrades in the district. Grades reward actual test performance against the projection for each school's student context, so a B in a high-poverty school can outrank an A- elsewhere on impact.
- A- Washington Elementary (Elementary school, greatly exceeds expectations)
- B+ Willow Elementary (Elementary school, greatly exceeds expectations)
- B Royal Oak Middle (Middle school, greatly exceeds expectations)
- B Charter Oak High (High school, greatly exceeds expectations)
- C+ Cedargrove Elementary (Elementary school, exceeds expectations)
- C Badillo Elementary (Elementary school, meets expectations)
- C Glen Oak Elementary (Elementary school, exceeds expectations)
- C Oak Knoll Alternative (K-12 school, doesn't meet expectations)
- D- Arrow High Continuation (High school, underperforms expectations)
Every school in Charter Oak Unified
High schools (2)
- D- Arrow High Continuation, Glendora
- B Charter Oak High, Covina
Middle and junior high schools (1)
- B Royal Oak Middle, Covina
Elementary and primary schools (5)
- C Badillo Elementary, Covina
- C+ Cedargrove Elementary, Covina
- C Glen Oak Elementary, Covina
- A- Washington Elementary, Glendora
- B+ Willow Elementary, Glendora
Other schools and academies (2)
- Bridges Community Day, Glendora
- C Oak Knoll Alternative, Glendora
Where Charter Oak Unified schools are
About this district
- State: Best schools in California
- County: Los Angeles County
- Type: regular local school district
- Setting: large suburb (NCES locale of the district office)
- Enrollment: 4,248 students with 190 full-time-equivalent teachers and 474 total staff FTE (NCES CCD, 2023-24)
- NCES district ID: 0608190
- Grades are the 2025-26 SchoolGrade model: each school's actual proficiency against the level projected for its student context. How SchoolGrade works
Nearby school districts
- Covina-Valley Unified (17 schools, 2 mi)
- Glendora Unified (9 schools, 4 mi)
- West Covina Unified (15 schools, 5 mi)
- Bonita Unified (15 schools, 5 mi)
- Pomona Unified (38 schools, 6 mi)
- Baldwin Park Unified (18 schools, 6 mi)
- Duarte Unified (6 schools, 7 mi)
- Walnut Valley Unified (15 schools, 7 mi)
Questions about Charter Oak Unified
How many schools are in Charter Oak Unified?
SchoolGrade grades 10 public schools in Charter Oak Unified, across 2 cities and towns. Every one of them is listed on this page with a link to its own report.
Which cities does Charter Oak Unified serve?
The largest by graded schools: Covina, Glendora.
How good are the schools in Charter Oak Unified?
Across the 9 graded schools, the average SchoolGrade is C+, with 35.4% of tested students meeting the state bar against a projected 28.1%. 78% of schools meet or exceed the expectation for their student context.
How many students attend Charter Oak Unified?
4,248 students were enrolled in Charter Oak Unified in the 2023-24 school year, about 22.4 students per full-time teacher (NCES Common Core of Data).
Where is Charter Oak Unified?
Charter Oak Unified is in California, based in Los Angeles County, with its district office in Covina. Its boundary covers about 5.8 sq mi.