Thermalito Union Elementary School District

5 public schools · Oroville, CA

Subject percentages show the share of students who met or exceeded the state standard.


Heritage Community Day Grades 4–8 Alternative · Thermalito Union Elementary	7%	0%	—	4% Average of math, English and science: 0% in 2022-23 → 4% in 2025-26	—	5	White 80%
Nelson Avenue Middle Grades 6–8 · Thermalito Union Elementary	28% −9 vs state	37% −13 vs state	33% −2 vs state	9% Average of math, English and science: 23% in 2022-23 → 32% in 2025-26	86%	456	Asian 36%
Plumas Avenue Elementary Grades K–5 · Thermalito Union Elementary	33% −9 vs state	44% −3 vs state	39% +4 vs state	11% Average of math, English and science: 28% in 2022-23 → 39% in 2025-26	87%	322	White 37%
Poplar Avenue Elementary Grades K–5 · Thermalito Union Elementary	33% −9 vs state	33% −13 vs state	23% −12 vs state	4% Average of math, English and science: 26% in 2022-23 → 30% in 2025-26	84%	321	Asian 50%
Sierra Avenue Elementary Grades K–5 · Thermalito Union Elementary	16% −26 vs state	25% −22 vs state	24% −11 vs state	Average of math, English and science: 20% in 2022-23 → 22% in 2025-26	90%	365	White 38%

Overall change: average of the three subjects, latest year vs. 3 years earlier (↑4% means the average rate went up 4 points, e.g. 82% → 86%; — means within ±2%). Low income = eligible for free or reduced-price lunch.