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 2025-26 school year, there are 6 public elementary schools serving 1,520 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 45% statewide average).
Minority enrollment is 63% of the student body (majority Asian), which is less than the California public elementary school average of 79% (majority Hispanic).
Overview
This School District
This State (CA)
# Schools
6 Schools
7,692 Schools
# Students
1,520 Students
3,821,650 Students
# Teachers
69 Teachers
173,957 Teachers
Student-Teacher Ratio
22:1
22:1
Student By Grade
District Rank
Thermalito Union Elementary School District, which is ranked #1445 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
#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%
1%
% Asian
33%
12%
% Hispanic
16%
55%
% Black
2%
5%
% White
37%
21%
% Hawaiian
1%
n/a
% Two or more races
9%
6%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $21,712 is higher than the state median of $19,979. The school district revenue/student has stayed relatively flat over four school years.
The school district's spending/student of $20,372 is higher than the state median of $18,400. The school district spending/student has stayed relatively flat over four school years.
Total Revenue
$33 MM
$116,387 MM
Spending
$31 MM
$107,188 MM
Revenue / Student
$21,712
$19,979
Spending / Student
$20,372
$18,400
Best Thermalito Union Elementary School District Public Elementary Schools (2025-26)
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: 5-8 | 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 | 335 students Student-teacher ratio: 26:1 Minority enrollment: 60%
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 | 324 students Student-teacher ratio: 27:1 Minority enrollment: 69%
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 | 358 students Student-teacher ratio: 20:1 Minority enrollment: 60%
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 | 457 students Student-teacher ratio: 20:1 Minority enrollment: 64%
Rank: n/an/a
2060 6th St.
Oroville, CA 95965
(530) 538-2950
Oroville, CA 95965
(530) 538-2950
Gr: K-3 | 41 students Student-teacher ratio: 21:1 Minority enrollment: 76%
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