Serving 470 students in grades 9-12, Colusa High School ranks in the bottom 50% of all schools in California for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 15-19% (which is lower than the California state average of 33%). The percentage of students achieving proficiency in reading/language arts is 50-54% (which is higher than the California state average of 47%).
The student:teacher ratio of 21:1 is lower than the California state level of 22:1.
Minority enrollment is 80% of the student body (majority Hispanic), which is higher than the California state average of 79% (majority Hispanic).
Quick Stats (2024-25)
- School Type: Magnet School
- Grades: 9-12
- Enrollment: 470 students
- Student:Teacher Ratio: 21:1
- Minority Enrollment: 80%
- Graduation Rate: 90-94% (Top 50% in CA)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 15-19% (Btm 50%)
- Reading Proficiency: 50-54% (Top 50%)
- Science Proficiency: 20-24% (Btm 50%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
School Overview
Colusa High School's student population of 470 students has grown by 18% over five school years.
The teacher population of 22 teachers has stayed relatively flat over five school years.
School Type
Grades Offered
Grades 9-12
Total Students
470 students
Gender %
Total Classroom Teachers
22 teachers
Students by Grade
School Rankings
Colusa High School ranks within the bottom 50% of all 9,602 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Colusa High School is 0.43, which is less than the diversity score at state average of 0.64. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#4973 out of 9602 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
15-19%
33%
Reading/Language Arts Test Scores (% Proficient)
50-54%
47%
Science Test Scores (% Proficient)
20-24%
29%
Student : Teacher Ratio
21:1
22:1
American Indian
3%
1%
Asian
1%
12%
Hispanic
73%
55%
Black
1%
5%
White
20%
21%
Hawaiian
1%
n/a
Two or more races
1%
6%
All Ethnic Groups
Graduation Rate
90-94%
87%
Eligible for Free Lunch
50%
51%
Eligible for Reduced Lunch
5%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is Colusa High School's ranking?
Colusa High School is ranked #4973 out of 9,602 schools, which ranks it among the bottom 50% of public schools in California.
What percent of students have achieved state testing proficiency in math and reading?
15-19% of students have achieved math proficiency (compared to the 33% CA state average), while 50-54% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of Colusa High School?
The graduation rate of Colusa High School is 90-94%, which is higher than the California state average of 87%.
How many students attend Colusa High School?
470 students attend Colusa High School.
What is the racial composition of the student body?
73% of Colusa High School students are Hispanic, 20% of students are White, 3% of students are American Indian, 1% of students are Asian, 1% of students are Black, 1% of students are Hawaiian, and 1% of students are Two or more races.
What is the student:teacher ratio of Colusa High School?
Colusa High School has a student ration of 21:1, which is lower than the California state average of 22:1.
What grades does Colusa High School offer ?
Colusa High School offers enrollment in grades 9-12
What school district is Colusa High School part of?
Colusa High School is part of Colusa Unified School District.
School Calendar
View the Colusa High School yearly calendar below.
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