Mapleton Expeditionary School of the Arts

Grades 9–12 Public District: Mapleton School District No. 1 in the county of Adams & St

8980 York St, Thornton, CO 80299 Map

Math (met standard)
3%
state — · 2021-22
English (met standard)
12%
−31 state 42% · 2022-23
Science (met standard)
5%
−26 state 31% · 2022-23
Low income
69%
free or reduced-price lunch
Special education
14%
students with an IEP · 2023-24
Students
393
2024-25
Students per teacher
16.9
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 7 8% state 32% · 2018-19 29% state 42% · 2021-22 —
Grade 8 16% state 37% · 2018-19 12% state 42% · 2022-23 5% state 31% · 2022-23
Grade 9 14% state 41% · 2025-26 41% state 66% · 2025-26 —
Grade 10 12% state 39% · 2025-26 46% state 65% · 2025-26 —
Grade 11 12% state 32% · 2025-26 41% state 60% · 2025-26 11% state 25% · 2023-24
All grades 3% state — · 2021-22 12% state 42% · 2022-23 5% state 31% · 2022-23
Results by year (all grades)
School year Math English Science
2022-23 — 12% state 42% 5% state 31%
2021-22 3% 19% state 43% —
2018-19 12% state 34% 22% state 47% —
2017-18 11% state 29% 21% state 45% —
2016-17 7% state 24% 20% state 44% —
2015-16 6% state 23% 33% state 41% —
2014-15 17% state 24% 16% state 41% —

Graduation & college

4-year graduation rate
87%
state 86% · 2024-25

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

Students

Race and ethnicity, 2024-25

Students with disabilities: 14% of students (55) receive special education under an IEP (individualized education program), 2023-24; another 1% 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
Mapleton Early Career Preparation
Grades 9–12 · Mapleton School District No. 1 in the county of Adams & St
0.0 mi
13%
−27 vs state
45%
−19 vs state
12%
−13 vs state · 2022-23
Average of math, English and science: 28% in 2022-23 → 29% in 2025-26 72% 306 Hispanic 89%
Academy High School
Grades 9–12 · Mapleton School District No. 1 in the county of Adams & St
0.1 mi
17%
−20 vs state
43%
−21 vs state
21%
−4 vs state
Average of math, English and science: 25% in 2022-23 → 27% in 2025-26 74% 399 Hispanic 86%
York International
Grades K–12 · Mapleton School District No. 1 in the county of Adams & St
0.5 mi
32%
−5 vs state
32%
−13 vs state
10%
−26 vs state
3% Average of math, English and science: 21% in 2022-23 → 24% in 2025-26 73% 776 Hispanic 85%
New America School - Thornton
Grades 9–12 Charter Alternative · Adams 12 Five Star Schools
1.0 mi —
7%
— Not enough years of data 85% 190 Hispanic 92%
Thornton High School
Grades 9–12 · Adams 12 Five Star Schools
1.4 mi
10%
−27 vs state
25%
−38 vs state
— 8% Average of math, English and science: 25% in 2022-23 → 17% in 2025-26 79% 1,439 Hispanic 71%
The Pinnacle Charter School
Grades K–12 Charter · State Charter School Institute
2.3 mi
7%
−30 vs state
16%
−28 vs state
8%
−28 vs state
Average of math, English and science: 12% in 2022-23 → 10% in 2025-26 81% 1,905 Hispanic 88%
Global Leadership Academy
Grades 9–12 · Mapleton School District No. 1 in the county of Adams & St
2.3 mi — —
11%
−14 vs state
11% Average of math, English and science: 22% in 2023-24 → 11% in 2025-26 76% 400 Hispanic 95%
Mapleton Online
Grades K–12 Virtual · Mapleton School District No. 1 in the county of Adams & St
2.4 mi —
18%
— Not enough years of data — 152 Hispanic 69%
Performing Arts School on Broadway
Grades 7–12 · Mapleton School District No. 1 in the county of Adams & St
2.4 mi
12%
−24 vs state
31%
−13 vs state
12%
−24 vs state
6% Average of math, English and science: 27% in 2022-23 → 21% in 2025-26 63% 169 Hispanic 58%
Northglenn High School
Grades 9–12 · Adams 12 Five Star Schools
2.5 mi
18%
−19 vs state
42%
−21 vs state
15%
−9 vs state · 2022-23
5% Average of math, English and science: 35% in 2022-23 → 30% in 2025-26 72% 1,844 Hispanic 75%