For the 2026 school year, there is 1 public school serving 450 students in Columbia Union School District. This district's average testing ranking is 5/10, which is in the bottom 50% of public schools in California.
Public School in Columbia Union School District have an average math proficiency score of 29% (versus the California public school average of 34%), and reading proficiency score of 37% (versus the 47% statewide average).
Minority enrollment is 31% of the student body (majority Hispanic), which is less than the California public school average of 80% (majority Hispanic).
Overview
This School District
This State (CA)
# Schools
1 School
10,360 Schools
# Students
450 Students
5,826,337 Students
# Teachers
25 Teachers
267,972 Teachers
Student-Teacher Ratio
18:1
18:1
Student By Grade
District Rank
Columbia Union School District, which is ranked #1052 of all 1,908 school districts in California (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
Overall District Rank
#1020 out of 1932 school districts
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
29%
34%
Reading/Language Arts Test Scores (% Proficient)
37%
47%
Science Test Scores (% Proficient)
20-24%
29%
Students by Ethnicity:
Diversity Score
0.49
0.63
% American Indian
3%
1%
% Asian
1%
12%
% Hispanic
20%
56%
% Black
1%
5%
% White
69%
20%
% Hawaiian
1%
n/a
% Two or more races
5%
6%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $16,451 in this school district is less than the state median of $19,976. The school district revenue/student has grown by 23% over four school years.
The school district's spending/student of $14,573 is less than the state median of $18,397. The school district spending/student has grown by 11% over four school years.
Total Revenue
$7 MM
$116,387 MM
Spending
$7 MM
$107,188 MM
Revenue / Student
$16,451
$19,976
Spending / Student
$14,573
$18,397
Best Columbia Union School District Public Schools (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Columbia Elementary School
(Math: 29% | Reading: 37%)
Rank:
Rank:
5/
Bottom 50%10
22540 Parrotts Ferry Rd.
Columbia, CA 95310
(209) 533-7700
Columbia, CA 95310
(209) 533-7700
Gr: K-8 | 450 students Student-teacher ratio: 18:1 Minority enrollment: 31%
Frequently Asked Questions
How many schools belong to Columbia Union School District?
Columbia Union School District manages 1 public schools serving 450 students.
What is the rank of Columbia Union School District?
Columbia Union School District is ranked #1052 out of 1,908 school districts in California (bottom 50%) based off of combined math and reading proficiency testing data for the 2022-2023 school year.
What is the racial composition of students in Columbia Union School District?
69% of Columbia Union School District students are White, 20% of students are Hispanic, 5% of students are Two or more races, 3% of students are American Indian, 1% of students are Asian, 1% of students are Black, and 1% of students are Hawaiian.
What is the student/teacher ratio of Columbia Union School District?
Columbia Union School District has a student/teacher ratio of 18:1, which is lower than the California state average of 22:1.
What is Columbia Union School District's spending/student ratio?
The school district's spending/student of $14,573 is less than the state median of $18,397. The school district spending/student has grown by 11% over four school years.
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