Grade Trends

Charter Oak High

Grades 9–12 Public District: Charter Oak Unified

1430 East Covina Blvd., Covina, CA 91724 Map

Math (met standard)
28%
−4 state 32% · 2025-26
English (met standard)
56%
−2 state 57% · 2025-26
Science (met standard)
38%
±0 state 39% · 2025-26
Low income
69%
free or reduced-price lunch
Students
1,259
2024-25
Students per teacher
22.0
2024-25

Test score trends

Share of students who met or exceeded the state standard each year.

Latest results by grade

Grade Math English Science
Grade 11 28% state 32% · 2025-26 56% state 57% · 2025-26 —
All grades 28% state 32% · 2025-26 56% state 57% · 2025-26 38% state 39% · 2025-26
Results by year (all grades)
School year Math English Science
2025-26 28% state 32% 56% state 57% 38% state 39%
2024-25 27% state 31% 61% state 57% 27% state 34%
2023-24 22% state 28% 62% state 56% 25% state 32%
2022-23 31% state 27% 64% state 55% 23% state 32%
2021-22 25% state 27% 57% state 55% 23% state 29%
2020-21 46% state 34% 59% state 59% —
2018-19 36% state 32% 62% state 57% 24% state 26%
2017-18 29% state 31% 47% state 56% —
2016-17 35% state 32% 57% state 60% —
2015-16 31% state 32% 63% state 59% —
2014-15 40% state 30% 65% state 56% —

Graduation & college

4-year graduation rate
100%
state 88% · 2025-26
Graduates meeting UC/CSU (A–G)
53%
state 55% · 2025-26
College-going rate
73%
state 66% · 2022-23

Graduation rate: students who earned a regular diploma within four years. UC/CSU: share of graduates who completed the A–G courses required by the University of California and California State University. College-going: share of high school completers who enrolled in any college within 12 months.

Students

Race and ethnicity, 2024-25

Year-by-year history is loaded from the NCES Common Core of Data (2017-18 onward).

Nearby schools

Subject percentages show the share of students who met or exceeded the state standard.

Pick to compare
Arrow High (Continuation)
Grades 9–12 Alternative · Charter Oak Unified
1.2 mi
11%
−21 vs state
5%
−52 vs state
5%
−34 vs state
3% Average of math, English and science: 10% in 2022-23 → 7% in 2025-26 86% 71 Hispanic 85%
Oak Knoll Alternative
Grades K–12 Alternative · Charter Oak Unified
1.2 mi
11%
−26 vs state
42%
−7 vs state
17%
−19 vs state
8% Average of math, English and science: 31% in 2022-23 → 23% in 2025-26 76% 107 Hispanic 75%
Sierra High
Grades 9–12 Alternative · Azusa Unified
1.8 mi
0%
−32 vs state
17%
−41 vs state
1%
−37 vs state
7% Average of math, English and science: 13% in 2022-23 → 6% in 2025-26 94% 119 Hispanic 95%
Whitcomb Continuation High
Grades 9–12 Alternative · Glendora Unified
1.9 mi
0%
−32 vs state
14%
−43 vs state
4%
−35 vs state
Average of math, English and science: 5% in 2022-23 → 6% in 2025-26 44% 104 Hispanic 60%
San Dimas High
Grades 9–12 · Bonita Unified
2.1 mi
50%
+19 vs state
81%
+23 vs state
60%
+27 vs state
11% Average of math, English and science: 53% in 2022-23 → 64% in 2025-26 38% 1,235 Hispanic 60%
Fairvalley High (Continuation)
Grades 9–12 Alternative · Covina-Valley Unified
2.5 mi
0%
−32 vs state
3%
−55 vs state
0%
−38 vs state
5% Average of math, English and science: 6% in 2022-23 → 1% in 2025-26 87% 115 Hispanic 84%
Covina-Valley Learning Options Academy
Grades K–12 Alternative · Covina-Valley Unified
2.5 mi
35%
±0 vs state
35%
−17 vs state
43%
+6 vs state
14% Average of math, English and science: 24% in 2022-23 → 38% in 2025-26 91% 57 Hispanic 88%
Covina High
Grades 9–12 · Covina-Valley Unified
2.5 mi
33%
+1 vs state
63%
+5 vs state
38%
±0 vs state
11% Average of math, English and science: 34% in 2022-23 → 45% in 2025-26 72% 1,056 Hispanic 79%
South Hills High
Grades 9–12 · Covina-Valley Unified
2.8 mi
40%
+8 vs state
62%
+5 vs state
33%
−5 vs state
5% Average of math, English and science: 40% in 2022-23 → 45% in 2025-26 62% 1,568 Hispanic 80%
Azusa High
Grades 9–12 · Azusa Unified
2.8 mi
18%
−13 vs state
45%
−13 vs state
26%
−12 vs state
Average of math, English and science: 29% in 2022-23 → 30% in 2025-26 89% 1,609 Hispanic 91%