Academy of Charter Schools

Grades PK–12 Public charter District: State Charter School Institute

11800 Lowell Blvd, Westminster, CO 80031 Map

Math (met standard)
35%
−2 state 37% · 2025-26
English (met standard)
48%
+4 state 45% · 2025-26
Science (met standard)
36%
±0 state 36% · 2025-26
Low income
34%
free or reduced-price lunch
Special education
9%
students with an IEP · 2023-24
Students
1,887
2024-25
Students per teacher
18.8
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
Grade 3 36% state 42% · 2025-26 43% state 41% · 2025-26 —
Grade 4 31% state 39% · 2025-26 47% state 47% · 2025-26 —
Grade 5 36% state 39% · 2025-26 56% state 50% · 2025-26 22% state 36% · 2025-26
Grade 6 23% state 33% · 2025-26 38% state 42% · 2025-26 —
Grade 7 41% state 33% · 2025-26 52% state 47% · 2025-26 —
Grade 8 47% state 38% · 2025-26 57% state 42% · 2025-26 53% state 35% · 2025-26
Grade 9 32% state 41% · 2025-26 70% state 66% · 2025-26 —
Grade 10 37% state 39% · 2025-26 64% state 65% · 2025-26 —
Grade 11 27% state 32% · 2025-26 64% state 60% · 2025-26 —
All grades 35% state 37% · 2025-26 48% state 45% · 2025-26 36% state 36% · 2025-26
Results by year (all grades)
School year Math English Science
2025-26 35% state 37% 48% state 45% 36% state 36%
2024-25 38% state 36% 51% state 45% 41% state 38%
2023-24 39% state 34% 50% state 44% 41% state 35%
2022-23 37% state 33% 50% state 44% 32% state 33%
2021-22 37% state 32% 51% state 43% —
2018-19 48% state 35% 60% state 46% —
2017-18 49% state 33% 56% state 44% —
2016-17 38% state 32% 54% state 43% —
2015-16 41% state 31% 54% state 41% —
2014-15 38% state 31% — —

Graduation & college

4-year graduation rate
88%
state 86% · 2024-25

Graduation rate: students who earned a regular diploma within four years.

Students

Race and ethnicity, 2024-25

Students with disabilities: 9% of students (174) receive special education under an IEP (individualized education program), 2023-24; another 6% have only a Section 504 plan (support such as extra time or seating, without special education), 2023-24. Source: U.S. Department of Education, Civil Rights Data Collection.

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
Mountain View Elementary School
Grades PK–5 · Adams 12 Five Star Schools
0.9 mi
54%
+14 vs state
59%
+12 vs state
39%
+2 vs state
7% Average of math, English and science: 43% in 2022-23 → 50% in 2025-26 38% 517 White 56%
Cotton Creek Elementary School
Grades K–5 · Adams 12 Five Star Schools
1.1 mi
51%
+12 vs state
58%
+11 vs state
52%
+16 vs state
Average of math, English and science: 53% in 2022-23 → 54% in 2025-26 44% 455 White 55%
Five Star Online Academy
Grades 1–12 Virtual · Adams 12 Five Star Schools
1.3 mi
10%
23%
17%
−15 vs state · 2023-24
4% Average of math, English and science: 12% in 2023-24 → 16% in 2025-26 — 506 Hispanic 46%
Ryan Elementary School
Grades PK–5 · Jefferson County School District No. R-1
1.5 mi
51%
+11 vs state
57%
+11 vs state
51%
+15 vs state
Average of math, English and science: 55% in 2022-23 → 53% in 2025-26 30% 511 White 60%
Centennial Elementary School
Grades PK–5 · Adams 12 Five Star Schools
1.7 mi
21%
−19 vs state
28%
−19 vs state
13%
−23 vs state
Average of math, English and science: 20% in 2022-23 → 21% in 2025-26 76% 293 Hispanic 70%
Birch Elementary School
Grades PK–5 · Boulder Valley School District No. Re2
1.9 mi
49%
+10 vs state
59%
+13 vs state
55%
+18 vs state
7% Average of math, English and science: 47% in 2022-23 → 54% in 2025-26 37% 299 White 65%
Westview Elementary School
Grades PK–5 · Adams 12 Five Star Schools
2.1 mi
28%
−12 vs state
34%
−12 vs state
17%
−19 vs state
Average of math, English and science: 24% in 2022-23 → 26% in 2025-26 72% 402 Hispanic 60%
Arapahoe Ridge Elementary School
Grades PK–5 · Adams 12 Five Star Schools
2.2 mi
35%
−5 vs state
41%
−5 vs state
30%
−6 vs state
8% Average of math, English and science: 43% in 2022-23 → 35% in 2025-26 57% 465 Hispanic 52%
Global Village Academy - North
Grades K–8 Charter · State Charter School Institute
2.2 mi
36%
−1 vs state
49%
+5 vs state
38%
+3 vs state
4% Average of math, English and science: 37% in 2022-23 → 41% in 2025-26 56% 838 Hispanic 64%
Silver Hills Middle School
Grades 6–8 · Adams 12 Five Star Schools
2.2 mi
19%
−16 vs state
28%
−15 vs state
22%
−14 vs state
8% Average of math, English and science: 15% in 2022-23 → 23% in 2025-26 69% 965 Hispanic 66%