Montclair High

Grades 9–12 Public District: Chaffey Joint Union High

4725 Benito St., Montclair, CA 91763 Map

Math (met standard)
25%
−7 state 32% · 2025-26
English (met standard)
65%
+7 state 57% · 2025-26
Science (met standard)
34%
−2 state 36% · 2025-26
Low income
83%
free or reduced-price lunch
Students
2,515
2024-25
Students per teacher
23.6
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 25% state 32% · 2025-26 65% state 57% · 2025-26 —
All grades 25% state 32% · 2025-26 65% state 57% · 2025-26 34% state 36% · 2025-26
Results by year (all grades)
School year Math English Science
2025-26 25% state 32% 65% state 57% 34% state 36%
2024-25 30% state 31% 69% state 57% 27% state 28%
2023-24 25% state 28% 63% state 56% 25% state 27%
2022-23 31% state 27% 66% state 55% 25% state 27%
2021-22 26% state 27% 62% state 55% 22% state 27%
2020-21 38% state 34% 65% state 59% 15% state 28%
2018-19 35% state 32% 65% state 57% 21% state 26%
2017-18 33% state 31% 63% state 56% —
2016-17 36% state 32% 67% state 60% —
2015-16 35% state 32% 62% state 59% —
2014-15 21% state 30% 55% state 56% —

Graduation & college

4-year graduation rate
92%
state 88% · 2025-26
Graduates meeting UC/CSU (A–G)
71%
state 55% · 2025-26
College-going rate
64%
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
San Antonio High (Continuation)
Grades 10–12 Alternative · Claremont Unified
1.1 mi
5%
−27 vs state
19%
−38 vs state
15%
−23 vs state
Average of math, English and science: 11% in 2022-23 → 13% in 2025-26 57% 69 Hispanic 67%
Park West High (Continuation)
Grades 9–12 Alternative · Pomona Unified
1.4 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
1.4 mi
12%
28%
— 20% Average of math, English and science: 0% in 2016-17 → 20% in 2018-19 100% 10 Hispanic 80%
Village Academy High School at Indian Hill
Grades 9–12 Alternative · Pomona Unified
1.5 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
2.0 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%
Pomona High
Grades 9–12 · Pomona Unified
2.4 mi
11%
−21 vs state
43%
−14 vs state
12%
−24 vs state
Average of math, English and science: 20% in 2022-23 → 22% in 2025-26 94% 993 Hispanic 92%
School of Extended Educational Options
Grades K–12 Charter · Pomona Unified
2.7 mi
33%
−4 vs state
42%
−8 vs state
25%
−10 vs state
7% Average of math, English and science: 26% in 2022-23 → 33% in 2025-26 73% 1,204 Hispanic 69%
Chaffey High
Grades 9–12 · Chaffey Joint Union High
2.8 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%
School of Arts and Enterprise
Grades 6–12 Charter · School of Arts and Enterprise District
3.0 mi
12%
−24 vs state
49%
−2 vs state
36%
−1 vs state
13% Average of math, English and science: 19% in 2022-23 → 32% in 2025-26 68% 647 Hispanic 80%
Claremont High
Grades 9–12 · Claremont Unified
3.0 mi
52%
+20 vs state
76%
+19 vs state
59%
+21 vs state
12% Average of math, English and science: 50% in 2022-23 → 62% in 2025-26 34% 2,065 Hispanic 44%