Grade Trends

Ontario High

Grades 9–12 Public District: Chaffey Joint Union High

901 West Francis St., Ontario, CA 91762 Map

Math (met standard)
29%
−3 state 32% · 2025-26
English (met standard)
54%
−3 state 57% · 2025-26
Science (met standard)
29%
−6 state 36% · 2025-26
Low income
87%
free or reduced-price lunch
Students
1,994
2024-25
Students per teacher
21.8
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 29% state 32% · 2025-26 54% state 57% · 2025-26 —
All grades 29% state 32% · 2025-26 54% state 57% · 2025-26 29% state 36% · 2025-26
Results by year (all grades)
School year Math English Science
2025-26 29% state 32% 54% state 57% 29% state 36%
2024-25 30% state 31% 63% state 57% 20% state 28%
2023-24 20% state 28% 62% state 56% 21% state 27%
2022-23 21% state 27% 61% state 55% 17% state 27%
2021-22 22% state 27% 60% state 55% 14% state 27%
2020-21 29% state 34% 56% state 59% 23% state 28%
2018-19 28% state 32% 52% state 57% 21% state 26%
2017-18 34% state 31% 64% state 56% —
2016-17 35% state 32% 63% state 60% —
2015-16 33% state 32% 63% state 59% —
2014-15 28% state 30% 63% state 56% —

Graduation & college

4-year graduation rate
96%
state 88% · 2025-26
Graduates meeting UC/CSU (A–G)
60%
state 55% · 2025-26
College-going rate
62%
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
Chino High
Grades 9–12 · Chino Valley Unified
1.6 mi
25%
−7 vs state
64%
+6 vs state
31%
−8 vs state
9% Average of math, English and science: 31% in 2022-23 → 40% in 2025-26 77% 2,077 Hispanic 78%
Chaffey High
Grades 9–12 · Chaffey Joint Union High
2.9 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%
Montclair High
Grades 9–12 · Chaffey Joint Union High
3.1 mi
25%
−7 vs state
65%
+7 vs state
34%
−2 vs state
Average of math, English and science: 41% in 2022-23 → 41% in 2025-26 83% 2,515 Hispanic 88%
Buena Vista Continuation High
Grades 9–12 Alternative · Chino Valley Unified
3.2 mi
5%
−27 vs state
26%
−32 vs state
6%
−32 vs state
Average of math, English and science: 11% in 2022-23 → 12% in 2025-26 65% 121 Hispanic 81%
Scholarship Prep - San Bernardino County
Grades K–12 Charter · San Bernardino County Office of Education
3.4 mi
18%
−23 vs state
34%
−14 vs state
7%
−29 vs state
Not enough years of data — —
Park West High (Continuation)
Grades 9–12 Alternative · Pomona Unified
3.5 mi
2%
−30 vs state
8%
−49 vs state
6%
−27 vs state
5% Average of math, English and science: 10% in 2022-23 → 5% in 2025-26 91% 225 Hispanic 94%
Pomona Alternative
Grades K–12 Alternative · Pomona Unified
3.5 mi
12%
28%
— 20% Average of math, English and science: 0% in 2016-17 → 20% in 2018-19 100% 10 Hispanic 80%
Don Antonio Lugo High
Grades 9–12 · Chino Valley Unified
3.6 mi
27%
−5 vs state
68%
+11 vs state
37%
−2 vs state
10% Average of math, English and science: 34% in 2022-23 → 44% in 2025-26 82% 1,256 Hispanic 84%
Village Academy High School at Indian Hill
Grades 9–12 Alternative · Pomona Unified
3.6 mi
33%
+1 vs state
75%
+17 vs state
28%
−10 vs state
10% Average of math, English and science: 35% in 2022-23 → 45% in 2025-26 89% 270 Hispanic 90%
Hillside High
Grades 10–12 Alternative · Upland Unified
4.0 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%