Top Rankings
Thermalito Union Elementary School District ranks among the top 20% of public school district in California for:
Category
Attribute
Diversity
Most diverse schools (Top 1%)
For the 2026 school year, there are 5 public elementary schools serving 1,469 students in Thermalito Union Elementary School District. This district's average elementary testing ranking is 3/10, which is in the bottom 50% of public elementary schools in California.
Public Elementary Schools in Thermalito Union Elementary School District have an average math proficiency score of 21% (versus the California public elementary school average of 36%), and reading proficiency score of 30% (versus the 46% statewide average).
Minority enrollment is 65% of the student body (majority Asian), which is less than the California public elementary school average of 80% (majority Hispanic).
Overview
This School District
This State (CA)
# Schools
6 Schools
7,677 Schools
# Students
1,515 Students
3,817,118 Students
# Teachers
72 Teachers
173,969 Teachers
Student-Teacher Ratio
21:1
21:1
Student By Grade
District Rank
Thermalito Union Elementary School District, which is ranked #1446 of all 1,904 school districts in California (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
Overall District Rank
#1482 out of 1932 school districts
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
20%
34%
Reading/Language Arts Test Scores (% Proficient)
29%
47%
Science Test Scores (% Proficient)
20%
29%
Students by Ethnicity:
Diversity Score
0.73
0.64
% American Indian
2%
n/a
% Asian
34%
12%
% Hispanic
17%
56%
% Black
2%
5%
% White
35%
20%
% Hawaiian
n/a
n/a
% Two or more races
10%
7%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $21,783 is higher than the state median of $20,100. The school district revenue/student has grown by 32% over four school years.
The school district's spending/student of $20,439 is higher than the state median of $18,511. The school district spending/student has grown by 30% over four school years.
Total Revenue
$33 MM
$116,387 MM
Spending
$31 MM
$107,188 MM
Revenue / Student
$21,783
$20,100
Spending / Student
$20,439
$18,511
Best Thermalito Union Elementary School District Public Elementary Schools (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Heritage Community Day
Alternative School
(Math: <50% | Reading: <50%)
Rank:
Rank:
8/
Top 30%10
2255 Sixth St.
Oroville, CA 95965
(530) 538-4376
Oroville, CA 95965
(530) 538-4376
Gr: 4-8 | 5 students Student-teacher ratio: 5:1 Minority enrollment: 20%
Rank: #22.
Plumas Avenue Elementary School
(Math: 25-29% | Reading: 35-39%)
Rank:
Rank:
5/
Bottom 50%10
440 Plumas Ave.
Oroville, CA 95965
(530) 538-2930
Oroville, CA 95965
(530) 538-2930
Gr: K-5 | 322 students Student-teacher ratio: 25:1 Minority enrollment: 63%
Rank: #33.
Poplar Avenue Elementary School
(Math: 25-29% | Reading: 25-29%)
Rank:
Rank:
4/
Bottom 50%10
2075 Poplar Ave.
Oroville, CA 95965
(530) 538-2910
Oroville, CA 95965
(530) 538-2910
Gr: K-5 | 321 students Student-teacher ratio: 21:1 Minority enrollment: 73%
Rank: #44.
Sierra Avenue Elementary School
(Math: 21% | Reading: 25-29%)
Rank:
Rank:
3/
Bottom 50%10
1050 Sierra Ave.
Oroville, CA 95965
(530) 538-2920
Oroville, CA 95965
(530) 538-2920
Gr: K-5 | 365 students Student-teacher ratio: 21:1 Minority enrollment: 62%
Rank: #55.
Nelson Avenue Middle School
(Math: 15% | Reading: 30%)
Rank:
Rank:
3/
Bottom 50%10
2255 Sixth St.
Oroville, CA 95965
(530) 538-2940
Oroville, CA 95965
(530) 538-2940
Gr: 6-8 | 456 students Student-teacher ratio: 20:1 Minority enrollment: 65%
Recent Articles
AI Report Cards: Should Schools Evaluate AI Use?
Explore whether schools should assess student AI use, the benefits, risks, and what responsible AI report cards could look like in 2026.
The Parent’s Guide to School Cell Phone Bans in 2026
Learn how school cell phone bans work in 2026, why districts are adopting them, and what parents should expect.
Parental Involvement in Public Schools: 2026 Update
Explore the latest 2026 trends, research, and strategies shaping parental involvement in public schools and student success.
