Top Rankings
Imperial Unified School District ranks among the top 20% of public school district in California for:
Category
Attribute
Graduation Rate
Highest graduation rate (Top 20%)
Community Size
Largest student body (number of students) (Top 1%)
For the 2026 school year, there are 2 public high schools serving 1,427 students in Imperial Unified School District. This district's average high testing ranking is 7/10, which is in the top 50% of public high schools in California.
Public High Schools in Imperial Unified School District have an average math proficiency score of 22% (versus the California public high school average of 28%), and reading proficiency score of 64% (versus the 51% statewide average).
Public High School in Imperial Unified School District have a Graduation Rate of 92%, which is more than the California average of 86%.
The school with highest graduation rate is Imperial High School, with 95% graduation rate. Read more about public school graduation rate statistics in California or national school graduation rate statistics.
Minority enrollment is 91% of the student body (majority Hispanic), which is more than the California public high school average of 79% (majority Hispanic).
Overview
This School District
This State (CA)
# Schools
6 Schools
2,813 Schools
# Students
4,672 Students
2,140,343 Students
# Teachers
203 Teachers
100,763 Teachers
Student-Teacher Ratio
23:1
23:1
Student By Grade
District Rank
Imperial Unified School District, which is ranked #592 of all 1,908 school districts in California (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
The school district's graduation rate of 92% has decreased from 95% over five school years.
Overall District Rank
#555 out of 1932 school districts
(Top 30%)
(Top 30%)
Math Test Scores (% Proficient)
35%
34%
Reading/Language Arts Test Scores (% Proficient)
53%
47%
Science Test Scores (% Proficient)
24%
29%
Graduation Rate
92%
87%
Students by Ethnicity:
Diversity Score
0.19
0.63
% American Indian
n/a
1%
% Asian
1%
11%
% Hispanic
90%
56%
% Black
1%
5%
% White
7%
22%
% Hawaiian
n/a
n/a
% Two or more races
1%
5%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $15,734 in this school district is less than the state median of $19,974. The school district revenue/student has grown by 21% over four school years.
The school district's spending/student of $12,040 is less than the state median of $18,395. The school district spending/student has declined by 13% over four school years.
Total Revenue
$74 MM
$116,387 MM
Spending
$56 MM
$107,188 MM
Revenue / Student
$15,734
$19,974
Spending / Student
$12,040
$18,395
Best Imperial Unified School District Public High Schools (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Imperial Ave. Holbrook High School
Alternative School
(Math: <50% | Reading: <50% )
Rank:
Rank:
7/
Top 50%10
322 North Imperial Ave.
Imperial, CA 92251
(760) 355-3207
Imperial, CA 92251
(760) 355-3207
Gr: 9-12 | 49 students Student-teacher ratio: 25:1 Minority enrollment: 92%
Rank: #22.
Imperial High School
(Math: 24% | Reading: 64%)
Rank:
Rank:
7/
Top 50%10
517 West Barioni Blvd.
Imperial, CA 92251
(760) 355-3220
Imperial, CA 92251
(760) 355-3220
Gr: 9-12 | 1,378 student Student-teacher ratio: 24:1 Minority enrollment: 91%
Recent Articles
Year-Round Schooling in 2026: Updated Parent Guide
Explore the latest 2026 data, trends, costs, and parent planning tips in the ongoing debate over year-round schooling vs the traditional calendar.
No Child Left Behind: Past, Present, and Future of U.S. School Policy
Explore how No Child Left Behind evolved into ESSA, what it means for 2025‑26 schooling, and what parents need to know about testing, admissions planning, and funding.
Understanding Public School Fees & Optional Costs Guide
Discover what public school fees are required versus optional, with 2026 updates for parents, students, and educators on budgeting and planning.
