Total enrollment
1,515
+8 (+1%) vs SY 2020-21
6 schools in Thermalito Union Elementary
California · 1,515 students · 1 city
Public K-12 schools in Thermalito Union Elementary number 6, teaching approximately 1,515 California students (an average of 253 per school).
4-year change in Thermalito Union Elementary
SY 2020-21 vs SY 2024-25School count
6
+1 (+20%) vs SY 2020-21
Source: NCES Common Core of Data, enrollment-weighted demographic averages
How Thermalito Union Elementary ranks
Among districts| Measure | This district | In California | In the US |
|---|---|---|---|
| State test proficiency ranked highest first | 27.2% | #442 of 534 | N/A |
| Enrollment ranked largest first | 1,515 | #476 of 587 | #5,431 of 9,234 |
| Number of schools ranked most first | 6 | #401 of 587 | N/A |
| Students per teacher ranked fewest first | 20.9:1 | #216 of 587 | #8,519 of 9,044 |
| Free or reduced-price lunch share ranked highest first | 87.1% | #77 of 587 | #851 of 8,164 |
| Diversity index ranked most diverse first | 72.2% | #28 of 530 | #200 of 6,853 |
Districts need at least 2 schools and 500 students to be ranked. Test proficiency is ranked within the state only, since each state gives a different test. Each rank links to the full list.
Inside Thermalito Union Elementary
State test results across the district's 4 scored schools run from Plumas Avenue Elementary at 31.3% proficient to Sierra Avenue Elementary at 21.5%, a gap of 9.8 points. That is the 434th widest gap among 458 California districts with four or more scored schools.
Since 2017-18, the 5 district schools that reported both years went from 1,543 to 1,469 students (down 5%) and from 64 to 69 full-time teachers (up 8%), as of 2024-25.
Proficient is the average share of students meeting the state standard across each school's state tests in 2023-24 and 2024-25; schools with fewer than 100 students and schools serving specialized populations are left out. Staffing figures come from the NCES Common Core of Data and count only schools that reported students and teachers in both years.
| Name | City | Level | Grades | Enrollment |
|---|---|---|---|---|
| Nelson Avenue Middle | Oroville | Middle | 06-08 | 456 |
| Sierra Avenue Elementary | Oroville | Elementary | KG-05 | 365 |
| Plumas Avenue Elementary | Oroville | Elementary | KG-05 | 322 |
| Poplar Avenue Elementary | Oroville | Elementary | KG-05 | 321 |
| Siskiyou Avenue Elementary | Oroville | Elementary | KG-KG | 46 |
| Heritage Community Day | Oroville | Middle | 04-08 | 5 |
About Thermalito Union Elementary
Thermalito Union Elementary is a sparse public-school district in California. The district oversees 6 schools and educates approximately 1,515 students.
For a sense of the school types, Thermalito Union Elementary spans 4 elementary and 2 middle.
On a per-school basis, Thermalito Union Elementary runs about 253 students per school, 56% lower than the state mean of roughly 578.
Looking at the last 4 years. Combined enrollment now sits at 1,515 students, held roughly steady from the 1,507 reported in SY 2020-21. The school count climbed from 5 to 6 across the same 4-year window.
Within the allk12 community for this area, the community for Thermalito Union Elementary discusses enrollment trends, district policy changes, and bus-route updates. Members of the local community share what they see day-to-day.