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 2026-27 school year, there are 6 public schools serving 1,515 students in Thermalito Union Elementary School District. This district's average testing ranking is 3/10, which is in the bottom 50% of public schools in California.
Public Schools in Thermalito Union Elementary School District have an average math proficiency score of 21% (versus the California public school average of 35%), and reading proficiency score of 30% (versus the 47% statewide average).
Minority enrollment is 65% of the student body (majority Asian), which is less than the California public school average of 80% (majority Hispanic).
Overview
This School District
This State (CA)
# Schools
6 Schools
10,323 Schools
# Students
1,515 Students
5,788,587 Students
# Teachers
72 Teachers
267,491 Teachers
Student-Teacher Ratio
21:1
21:1
Student By Grade
District Rank
Thermalito Union Elementary School District, which is ranked #1444 of all 1,903 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%)
Showing 2013–2023. Full 14-year historical data available below ↓
Math Test Scores (% Proficient)
20%
34%
Showing 2013–2023. Full 14-year historical data available below ↓
Reading/Language Arts Test Scores (% Proficient)
29%
47%
Showing 2012–2022. Full 13-year historical data available below ↓
Science Test Scores (% Proficient)
20%
29%
Chronically Absent Students
(2022-23)22.3%
27.7%
Students by Ethnicity:
Diversity Score
0.73
0.63
Showing 2014–2023. Full 36-year historical data available below ↓
% American Indian
2%
1%
Showing 2013–2023. Full 36-year historical data available below ↓
% Asian
34%
12%
Showing 2014–2023. Full 36-year historical data available below ↓
% Hispanic
17%
56%
Showing 2014–2023. Full 36-year historical data available below ↓
% Black
2%
5%
Showing 2014–2023. Full 36-year historical data available below ↓
% White
35%
20%
Showing 2014–2023. Full 36-year historical data available below ↓
% Hawaiian
n/a
n/a
% Two or more races
10%
6%
Showing 2014–2023. Full 15-year historical data available below ↓
All Ethnic Groups
District Revenue and Spending
The revenue/student of $28,420 is higher than the state median of $26,022. The school district revenue/student has grown by 24% over four school years.
The school district's spending/student of $23,023 is higher than the state median of $22,604. The school district spending/student has grown by 12% over four school years.
Total Revenue
$43 MM
$150,628 MM
Showing 2014–2023. Full 34-year historical data available below ↓
Spending
$35 MM
$130,845 MM
Showing 2014–2023. Full 34-year historical data available below ↓
Revenue / Student
$28,420
$26,022
Showing 2014–2023. Full 34-year historical data available below ↓
Spending / Student
$23,023
$22,604
Showing 2014–2023. Full 34-year historical data available below ↓
Best Thermalito Union Elementary School District Public Schools (2026-27)
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%
Rank: n/an/a
2075 Poplar St.
Oroville, CA 95965
(530) 538-2910
Oroville, CA 95965
(530) 538-2910
Gr: K | 46 students Student-teacher ratio: 15:1 Minority enrollment: 57%
Frequently Asked Questions
How many schools belong to Thermalito Union Elementary School District?
Thermalito Union Elementary School District manages 6 public schools serving 1,515 students.
What is the rank of Thermalito Union Elementary School District?
Thermalito Union Elementary School District is ranked #1444 out of 1,903 school districts in California (bottom 50%) based off of combined math and reading proficiency testing data for the 2022-2023 school year. This district ranks in the top 20% of California school districts for: Most diverse schools (Top 1%)
What is the racial composition of students in Thermalito Union Elementary School District?
35% of Thermalito Union Elementary School District students are White, 34% of students are Asian, 17% of students are Hispanic, 10% of students are Two or more races, 2% of students are American Indian, and 2% of students are Black.
What is the student/teacher ratio of Thermalito Union Elementary School District?
Thermalito Union Elementary School District has a student/teacher ratio of 21:1, which is lower than the California state average of 22:1.
What is Thermalito Union Elementary School District's spending/student ratio?
The school district's spending/student of $23,023 is higher than the state median of $22,604. The school district spending/student has grown by 12% over four school years.
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