Grade Trends

Rancho Cucamonga High

Grades 9–12 Public District: Chaffey Joint Union High

11801 Lark Dr., Rancho Cucamonga, CA 91701 Map

Math (met standard)
46%
+14 state 32% · 2025-26
English (met standard)
70%
+12 state 57% · 2025-26
Science (met standard)
47%
+12 state 36% · 2025-26
Low income
57%
free or reduced-price lunch
Students
3,221
2024-25
Students per teacher
25.1
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 46% state 32% · 2025-26 70% state 57% · 2025-26 —
All grades 46% state 32% · 2025-26 70% state 57% · 2025-26 47% state 36% · 2025-26
Results by year (all grades)
School year Math English Science
2025-26 46% state 32% 70% state 57% 47% state 36%
2024-25 43% state 31% 75% state 57% 40% state 28%
2023-24 38% state 28% 74% state 56% 31% state 27%
2022-23 42% state 27% 77% state 55% 35% state 27%
2021-22 39% state 27% 74% state 55% 35% state 27%
2020-21 58% state 34% 82% state 59% 28% state 28%
2018-19 52% state 32% 82% state 57% 28% state 26%
2017-18 47% state 31% 77% state 56% —
2016-17 47% state 32% 79% state 60% —
2015-16 53% state 32% 84% state 59% —
2014-15 47% state 30% 81% state 56% —

Graduation & college

4-year graduation rate
95%
state 88% · 2025-26
Graduates meeting UC/CSU (A–G)
79%
state 55% · 2025-26
College-going rate
81%
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
Los Osos High
Grades 9–12 · Chaffey Joint Union High
1.1 mi
59%
+27 vs state
83%
+26 vs state
51%
+15 vs state
6% Average of math, English and science: 58% in 2022-23 → 64% in 2025-26 44% 2,759 Hispanic 41%
Etiwanda High
Grades 9–12 · Chaffey Joint Union High
2.1 mi
47%
+15 vs state
76%
+19 vs state
54%
+18 vs state
7% Average of math, English and science: 52% in 2022-23 → 59% in 2025-26 54% 3,446 Hispanic 52%
Alta Loma High
Grades 9–12 · Chaffey Joint Union High
3.8 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%
Inland Empire Springs Charter
Grades K–12 Charter · Inland Empire Springs Charter District
3.9 mi
38%
−2 vs state
54%
+6 vs state
31%
−4 vs state
Not enough years of data 61% 323 Hispanic 57%
Summit High
Grades 9–12 · Fontana Unified
4.8 mi
36%
+5 vs state
69%
+12 vs state
34%
−5 vs state
5% Average of math, English and science: 41% in 2022-23 → 46% in 2025-26 72% 2,725 Hispanic 72%
Chaffey District Online High
Grades 9–12 Alternative · Chaffey Joint Union High
4.9 mi
77%
+45 vs state
78%
+20 vs state
67%
+30 vs state
4% Average of math, English and science: 82% in 2022-23 → 78% in 2025-26 62% 93 Hispanic 59%