Imperial Ave. Holbrook High

Grades 9–12 Public Alternative District: Imperial Unified

322 North Imperial Ave., Imperial, CA 92251 Map

Math (met standard)
0%
−32 state 32% · 2025-26
English (met standard)
30%
−27 state 57% · 2025-26
Science (met standard)
20%
−18 state 39% · 2025-26
Low income
61%
free or reduced-price lunch
Students
28
2024-25
Students per teacher
11.2
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 0% state 32% · 2025-26 30% state 57% · 2025-26 —
All grades 0% state 32% · 2025-26 30% state 57% · 2025-26 20% state 39% · 2025-26
Results by year (all grades)
School year Math English Science
2025-26 0% state 32% 30% state 57% 20% state 39%
2024-25 — 27% state 57% 27% state 34%
2023-24 6% state 28% 19% state 56% 0% state 32%
2022-23 0% state 27% 17% state 55% 11% state 32%
2021-22 — — 7% state 31%
2017-18 0% state 31% 15% state 56% —
2016-17 0% state 32% 10% state 60% —
2015-16 11% state 32% 33% state 59% —

Graduation & college

4-year graduation rate
60%
state 88% · 2024-25
Graduates meeting UC/CSU (A–G)
0%
state 54% · 2024-25
College-going rate
22%
state 62% · 2021-22

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
Imperial High
Grades 9–12 · Imperial Unified
0.3 mi
20%
−12 vs state
64%
+7 vs state
40%
+2 vs state
Average of math, English and science: 40% in 2022-23 → 41% in 2025-26 47% 1,439 Hispanic 89%
Central Union High
Grades 9–12 · Central Union High
4.2 mi
25%
−7 vs state
55%
−2 vs state
19%
−17 vs state
Average of math, English and science: 32% in 2022-23 → 33% in 2025-26 73% 2,006 Hispanic 96%
Mt. Signal Virtual Academy
Grades 9–12 Virtual Alternative · Central Union High
4.2 mi
3%
−27 vs state · 2024-25
50%
−7 vs state · 2024-25
7%
−25 vs state · 2024-25
3% Average of math, English and science: 30% in 2022-23 → 27% in 2024-25 83% 60 Hispanic 93%
Desert Oasis High (Continuation)
Grades 9–12 Alternative · Central Union High
4.9 mi
2%
−30 vs state
37%
−20 vs state
7%
−26 vs state
8% Average of math, English and science: 11% in 2022-23 → 19% in 2025-26 94% 138 Hispanic 95%