Grade Trends

Thornton Elementary School

Grades PK–5 Public District: Adams 12 Five Star Schools

900 Eppinger Boulevard, Thornton, CO 80229 Map

Math (met standard)
12%
−28 state 40% · 2025-26
English (met standard)
16%
−28 state 44% · 2024-25
Science (met standard)
7%
−31 state 38% · 2023-24
Low income
88%
free or reduced-price lunch
Special education
19%
students with an IEP · 2023-24
Students
387
2024-25
Students per teacher
13.8
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 10% state 42% · 2025-26 7% state 41% · 2025-26 —
Grade 4 13% state 39% · 2025-26 16% state 42% · 2024-25 —
Grade 5 15% state 39% · 2025-26 17% state 50% · 2025-26 7% state 38% · 2023-24
All grades 12% state 40% · 2025-26 16% state 44% · 2024-25 7% state 38% · 2023-24
Results by year (all grades)
School year Math English Science
2025-26 12% state 40% — —
2024-25 10% state 37% 16% state 44% —
2023-24 4% state 34% 11% state 42% 7% state 38%
2022-23 9% state 37% 13% state 44% 12% state 34%
2021-22 14% state 35% 18% state 43% —
2018-19 12% state 37% 19% state 46% —
2017-18 — 21% state 45% —
2016-17 14% state 36% 26% state 44% —
2015-16 14% state 36% 19% state 41% —
2014-15 8% state 32% 15% state 40% —

Compared with similar schools

Colorado elementary schools where 20–30% of students come from families below the poverty line (this school: 25%)

Similar schools nearby with higher scores

Family income strongly affects test scores, so comparing a school with others that serve families like its own is fairer than comparing it with the state average. The share of students below the poverty line is an estimate by the Urban Institute for 2022-23, made the same way in every state; it is a stricter measure than the low-income share above (free or reduced-price lunch, which goes up to 185% of the poverty line), so it is lower. “Typical” is the median: half of the similar schools score higher, half lower.

Students

Race and ethnicity, 2024-25

Students with disabilities: 19% of students (64) receive special education under an IEP (individualized education program), 2023-24; another 3% 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
Achieve Academy
Grades PK–8 · Mapleton School District No. 1 in the county of Adams & St
0.7 mi
17%
−21 vs state
22%
−23 vs state
12%
−24 vs state
3% Average of math, English and science: 20% in 2022-23 → 17% in 2025-26 76% 370 Hispanic 83%
York International
Grades K–12 · Mapleton School District No. 1 in the county of Adams & St
0.9 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%
McElwain Elementary School
Grades K–5 · Adams 12 Five Star Schools
0.9 mi
8%
−33 vs state · 2024-25
16%
−30 vs state
9%
−27 vs state
3% Average of math, English and science: 10% in 2022-23 → 13% in 2025-26 90% 361 Hispanic 51%
North Mor Elementary School
Grades PK–5 · Adams 12 Five Star Schools
0.9 mi
9%
−30 vs state
21%
−26 vs state
8%
−29 vs state
6% Average of math, English and science: 18% in 2022-23 → 12% in 2025-26 79% 304 Hispanic 75%
Clayton Partnership School
Grades K–8 · Mapleton School District No. 1 in the county of Adams & St
1.0 mi
18%
−22 vs state
22%
−23 vs state
14%
−22 vs state
Average of math, English and science: 22% in 2022-23 → 20% in 2025-26 78% 430 Hispanic 87%
Monterey Community School
Grades K–8 · Mapleton School District No. 1 in the county of Adams & St
1.1 mi
17%
−20 vs state
27%
−18 vs state
11%
−26 vs state · 2024-25
6% Average of math, English and science: 16% in 2022-23 → 22% in 2025-26 79% 440 Hispanic 83%
North Star Elementary School
Grades PK–5 · Adams 12 Five Star Schools
1.2 mi
14%
−27 vs state
21%
−25 vs state
10%
−27 vs state
4% Average of math, English and science: 11% in 2022-23 → 15% in 2025-26 86% 320 Hispanic 83%
Coronado Hills Elementary School
Grades PK–5 · Adams 12 Five Star Schools
1.2 mi
10%
−30 vs state
15%
−31 vs state
14%
−23 vs state
Average of math, English and science: 10% in 2022-23 → 12% in 2025-26 81% 412 Hispanic 85%
Explore Pk-8
Grades PK–8 · Mapleton School District No. 1 in the county of Adams & St
1.5 mi
22%
−16 vs state
31%
−13 vs state
15%
−21 vs state
8% Average of math, English and science: 18% in 2022-23 → 26% in 2025-26 63% 557 Hispanic 68%
The Pinnacle Charter School
Grades K–12 Charter · State Charter School Institute
1.6 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%