Chaffey District Online High

Grades 9–12 Public Alternative District: Chaffey Joint Union High

1802 East 7th St., Ontario, CA 91764 Map

Math (met standard)
77%
+45 state 32% · 2025-26
English (met standard)
78%
+20 state 57% · 2025-26
Science (met standard)
67%
+30 state 37% · 2025-26
Low income
62%
free or reduced-price lunch
Students
93
2024-25
Students per teacher
18.2
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 77% state 32% · 2025-26 78% state 57% · 2025-26 —
All grades 77% state 32% · 2025-26 78% state 57% · 2025-26 67% state 37% · 2025-26
Results by year (all grades)
School year Math English Science
2025-26 77% state 32% 78% state 57% 67% state 37%
2024-25 65% state 31% 58% state 57% 50% state 28%
2023-24 63% state 28% 88% state 56% —
2022-23 — 82% state 55% —
2021-22 33% state 27% 79% state 55% —
2018-19 22% state 32% 83% state 57% 38% state 26%
2017-18 39% state 31% 65% state 56% —
2016-17 23% state 32% 64% state 60% —
2015-16 23% state 32% 40% state 59% —
2014-15 32% state 30% 81% state 56% —

Graduation & college

4-year graduation rate
90%
state 88% · 2025-26
Graduates meeting UC/CSU (A–G)
67%
state 55% · 2025-26
College-going rate
76%
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
Valley View High (Continuation)
Grades 9–12 Alternative · Chaffey Joint Union High
0.2 mi
9%
−23 vs state
10%
−48 vs state
7%
−29 vs state
6% Average of math, English and science: 3% in 2022-23 → 9% in 2025-26 85% 370 Hispanic 78%
Inland Empire Springs Charter
Grades K–12 Charter · Inland Empire Springs Charter District
1.1 mi
38%
−2 vs state
54%
+6 vs state
31%
−4 vs state
Not enough years of data 61% 323 Hispanic 57%
Scholarship Prep - San Bernardino County
Grades K–12 Charter · San Bernardino County Office of Education
2.2 mi
18%
−23 vs state
34%
−14 vs state
7%
−29 vs state
Not enough years of data — —
Chaffey High
Grades 9–12 · Chaffey Joint Union High
2.3 mi
22%
−10 vs state
53%
−4 vs state
32%
−4 vs state
7% Average of math, English and science: 29% in 2022-23 → 36% in 2025-26 81% 3,127 Hispanic 89%
Alta Loma High
Grades 9–12 · Chaffey Joint Union High
2.4 mi
39%
+7 vs state
68%
+11 vs state
34%
−2 vs state
Average of math, English and science: 48% in 2022-23 → 47% in 2025-26 60% 2,386 Hispanic 60%
Upland High
Grades 9–12 · Upland Unified
2.8 mi
40%
+8 vs state
65%
+8 vs state
45%
+7 vs state
9% Average of math, English and science: 41% in 2022-23 → 50% in 2025-26 70% 2,797 Hispanic 65%
Hillside High
Grades 10–12 Alternative · Upland Unified
3.8 mi
2%
−30 vs state
11%
−46 vs state
4%
−34 vs state
Average of math, English and science: 6% in 2022-23 → 6% in 2025-26 91% 119 Hispanic 75%
Ontario High
Grades 9–12 · Chaffey Joint Union High
4.4 mi
29%
−3 vs state
54%
−3 vs state
29%
−6 vs state
4% Average of math, English and science: 33% in 2022-23 → 37% in 2025-26 87% 1,994 Hispanic 89%
Rancho Cucamonga High
Grades 9–12 · Chaffey Joint Union High
4.9 mi
46%
+14 vs state
70%
+12 vs state
47%
+12 vs state
3% Average of math, English and science: 51% in 2022-23 → 54% in 2025-26 57% 3,221 Hispanic 43%