Imperial Ave. Holbrook High School

322 North Imperial Ave.
Imperial, CA 92251
7/
10
Top 50%
Serving 49 students in grades 9-12, Imperial Ave. Holbrook High School ranks in the top 50% of all schools in California for overall test scores (math proficiency is top 30%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is <50% (which is higher than the California state average of 39%). The percentage of students achieving proficiency in reading/language arts is <50% (which is equal to the California state average of 50%).
The student:teacher ratio of 25:1 is higher than the California state level of 21:1.
Minority enrollment is 92% of the student body (majority Hispanic), which is higher than the California state average of 80% (majority Hispanic).

Quick Stats (2025)

  • School Type: Alternative school
  • Grades: 9-12
  • Enrollment: 49 students
  • Student:Teacher Ratio: 25:1
  • Minority Enrollment: 92%
  • : 40-59% (Btm 50% in CA)
  • : <50%
  • : <50% (Top 1%)
  • : <50% (Top 20%)
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

Top Rankings

Imperial Ave. Holbrook High School ranks among the top 20% of public schools in California for:

School Overview

Imperial Ave. Holbrook High School's student population of 49 students has declined by 7% over five school years.
The teacher population of 2 teachers has declined by 33% over five school years.
Grades Offered
Grades 9-12
Total Students
49 students
This chart displays total students of Imperial Ave. Holbrook High School by year, with the latest 2022-23 school year data.
Gender %
This chart displays gender of Imperial Ave. Holbrook High School
Total Classroom Teachers
2 teachers
This chart displays the total teachers of Imperial Ave. Holbrook High School by year, with the latest 2022-23 school year data.
Students by Grade
This chart displays the students of Imperial Ave. Holbrook High School by grade.

School Rankings

The diversity score of Imperial Ave. Holbrook High School is 0.22, which is less than the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.
This School
State Level (CA)
(17-18)
<50%
39%
This chart displays the percentage of students that scored at or above 'proficient' levels in Math of Imperial Ave. Holbrook High School and the percentage of public school students that scored at or above 'proficient' levels in Math of public schools in California by year, with the latest 2017-18 school year data.
(17-18)
<50%
50%
This chart displays the percentage of students that scored at or above 'proficient' levels in Reading/Language Arts of Imperial Ave. Holbrook High School and the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of California by year, with the latest 2017-18 school year data.
<50%
29%
Student : Teacher Ratio
25:1
21:1
This chart displays the student teacher ratio of Imperial Ave. Holbrook High School and the public school average student teacher ratio of California by year, with the latest 2022-23 school year data.
American Indian
n/a
1%
Asian
2%
12%
This chart displays the percentage of Asian students in Imperial Ave. Holbrook High School and the percentage of Asian public school students in California by year, with the latest 2003-04 school year data.
Hispanic
88%
56%
This chart displays the percentage of Hispanic students in Imperial Ave. Holbrook High School and the percentage of Hispanic public school students in California by year, with the latest 2022-23 school year data.
Black
2%
5%
This chart displays the percentage of Black students in Imperial Ave. Holbrook High School and the percentage of Black public school students in California by year, with the latest 2022-23 school year data.
White
8%
20%
This chart displays the percentage of White students in Imperial Ave. Holbrook High School and the percentage of White public school students in California by year, with the latest 2022-23 school year data.
Hawaiian
n/a
n/a
Two or more races
n/a
6%
This chart displays the percentage of students of two or more races in Imperial Ave. Holbrook High School and the percentage of public school students of two or more races in California by year, with the latest 2021-22 school year data.
All Ethnic Groups
This chart displays the percentage breakdown of students of all ethnic groups in Imperial Ave. Holbrook High School.
This chart displays the percentage breakdown of public school students of all ethnic groups in California.
0.22
This chart displays the diversity score of Imperial Ave. Holbrook High School and the public school average diversity score of California by year, with the latest 2022-23 school year data.
40-59%
87%
This chart displays graduation rate of Imperial Ave. Holbrook High School and public school graduation rate of California by year, with the latest 2021-22 school year data.
Eligible for Free Lunch
57%
54%
This chart displays the percentage of students who is eligible for free lunch in Imperial Ave. Holbrook High School and the percentage of public school students who is eligible for free lunch in California by year, with the latest 2022-23 school year data.
Eligible for Reduced Lunch
8%
8%
This chart displays the percentage of students who is eligible for reduced lunch in Imperial Ave. Holbrook High School and the percentage of public school students who is eligible for reduced lunch in California by year, with the latest 2022-23 school year data.
Source: National Center for Education Statistics (NCES), CA Dept. of Education

Frequently Asked Questions

What percent of students have achieved state testing proficiency in math and reading?
<50% of students have achieved math proficiency (compared to the 39% CA state average), while <50% of students have achieved reading proficiency (compared to the 50% CA state average).
What is the graduation rate of Imperial Ave. Holbrook High School?
The graduation rate of Imperial Ave. Holbrook High School is 40-59%, which is lower than the California state average of 87%.
How many students attend Imperial Ave. Holbrook High School?
49 students attend Imperial Ave. Holbrook High School.
What is the racial composition of the student body?
88% of Imperial Ave. Holbrook High School students are Hispanic, 8% of students are White, 2% of students are Asian, and 2% of students are Black.
What is the student:teacher ratio of Imperial Ave. Holbrook High School?
Imperial Ave. Holbrook High School has a student ration of 25:1, which is higher than the California state average of 21:1.
What grades does Imperial Ave. Holbrook High School offer ?
Imperial Ave. Holbrook High School offers enrollment in grades 9-12
What school district is Imperial Ave. Holbrook High School part of?
Imperial Ave. Holbrook High School is part of Imperial Unified School District.

School Reviews

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Quick Stats (2025)

  • School Type: Alternative school
  • Grades: 9-12
  • Enrollment: 49 students
  • Student:Teacher Ratio: 25:1
  • Minority Enrollment: 92%
  • : 40-59% (Btm 50%)
  • : <50%
  • : <50% (Top 1%)
  • : <50% (Top 20%)
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

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