Trillium Charter

Grades K–5 Public charter District: Trillium Charter District

1464 Spear Ave., Arcata, CA 95521 Map

Math (met standard)
38%
state — · 2025-26
English (met standard)
48%
state — · 2025-26
Low income
88%
free or reduced-price lunch
Students
40
2024-25
Students per teacher
13.3
2024-25

Test score trends

Share of students who met or exceeded the state standard each year.

Latest results by grade

Grade Math English Science
All grades 38% state — · 2025-26 48% state — · 2025-26 —
Results by year (all grades)
School year Math English Science
2025-26 38% 48% —
2024-25 42% 63% —
2023-24 24% 31% —
2022-23 47% 57% —
2021-22 32% 58% —
2018-19 33% 67% —
2017-18 36% 60% —
2016-17 48% 61% —
2015-16 40% 43% —
2014-15 23% 38% —

Students

Race and ethnicity, 2024-25

Year-by-year history is loaded from the NCES Common Core of Data (2017-18 onward).

Nearby schools

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

Pick to compare
Pacific Union Elementary
Grades K–8 · Pacific Union Elementary
0.5 mi
43%
+3 vs state
49%
+1 vs state
45%
+9 vs state
5% Average of math, English and science: 40% in 2022-23 → 45% in 2025-26 55% 534 White 49%
Arcata Elementary
Grades K–5 · Arcata Elementary
0.5 mi
15%
−27 vs state
23%
−23 vs state
21%
−15 vs state
15% Average of math, English and science: 35% in 2022-23 → 20% in 2025-26 79% 240 White 46%
Laurel Tree Charter
Grades K–12 Charter · Laurel Tree Charter District
0.7 mi
35%
−4 vs state
38%
−10 vs state
42%
+7 vs state
11% Average of math, English and science: 27% in 2022-23 → 38% in 2025-26 54% 197 White 74%
Fuente Nueva Charter
Grades K–5 Charter · Fuente Nueva Charter District
1.0 mi
32%
−9 vs state
57%
+10 vs state
46%
+11 vs state
12% Average of math, English and science: 57% in 2022-23 → 45% in 2025-26 45% 150 Hispanic 44%
Coastal Grove Charter
Grades K–8 Charter · Coastal Grove Charter District
1.1 mi
38%
−2 vs state
46%
−2 vs state
36%
+1 vs state
3% Average of math, English and science: 37% in 2022-23 → 40% in 2025-26 61% 235 White 78%
Union Street Charter
Grades K–5 Charter · Union Street Charter District
1.9 mi
80%
+38 vs state
67%
+21 vs state
77%
+41 vs state
12% Average of math, English and science: 86% in 2022-23 → 74% in 2025-26 44% 99 White 70%
Jacoby Creek
Grades K–8 · Jacoby Creek Elementary
3.1 mi
66%
+27 vs state
77%
+29 vs state
61%
+26 vs state
Average of math, English and science: 68% in 2022-23 → 68% in 2025-26 35% 455 White 73%
Morris Elementary
Grades 3–5 · McKinleyville Union Elementary
4.3 mi
25%
−14 vs state
40%
−8 vs state
27%
−8 vs state
4% Average of math, English and science: 34% in 2022-23 → 30% in 2025-26 57% 255 White 54%
Blue Lake Union Elementary
Grades K–8 · Blue Lake Union Elementary
5.0 mi
25%
−13 vs state
37%
−12 vs state
40%
+5 vs state
Average of math, English and science: 34% in 2022-23 → 34% in 2025-26 62% 153 White 60%