Stargate Charter School

Grades K–12 Public charter District: Adams 12 Five Star Schools

14530 Washington Street, Thornton, CO 80023 Map

Math (met standard)
77%
+40 state 37% · 2025-26
English (met standard)
77%
+33 state 45% · 2025-26
Science (met standard)
76%
+40 state 36% · 2025-26
Low income
10%
free or reduced-price lunch
Special education
5%
students with an IEP · 2023-24
Students
1,572
2024-25
Students per teacher
19.5
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 66% state 42% · 2025-26 67% state 41% · 2025-26 —
Grade 4 75% state 39% · 2025-26 79% state 47% · 2025-26 —
Grade 5 84% state 39% · 2025-26 87% state 50% · 2025-26 72% state 36% · 2025-26
Grade 6 75% state 33% · 2025-26 80% state 42% · 2025-26 —
Grade 7 80% state 33% · 2025-26 79% state 47% · 2025-26 —
Grade 8 78% state 38% · 2025-26 69% state 42% · 2025-26 80% state 35% · 2025-26
Grade 9 95% state 41% · 2025-26 99% state 66% · 2025-26 —
Grade 10 83% state 39% · 2025-26 97% state 65% · 2025-26 —
Grade 11 78% state 32% · 2025-26 98% state 60% · 2025-26 73% state 25% · 2022-23
All grades 77% state 37% · 2025-26 77% state 45% · 2025-26 76% state 36% · 2025-26
Results by year (all grades)
School year Math English Science
2025-26 77% state 37% 77% state 45% 76% state 36%
2024-25 79% state 36% 78% state 45% 77% state 38%
2023-24 76% state 34% 75% state 44% 73% state 36%
2022-23 74% state 33% 78% state 44% —
2021-22 71% state 31% 76% state 43% —
2018-19 74% state 35% 74% state 46% —
2017-18 72% state 32% 77% state 45% —
2016-17 70% state 31% 65% state 43% —
2015-16 70% state 31% 69% state 41% —
2014-15 70% state 30% 71% state 40% —

Graduation & college

4-year graduation rate
98%
state 86% · 2024-25

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

Students

Race and ethnicity, 2024-25

Students with disabilities: 5% of students (78) receive special education under an IEP (individualized education program), 2023-24; another 7% 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
Rocky Top Middle School
Grades 6–8 · Adams 12 Five Star Schools
1.2 mi
46%
+12 vs state
53%
+10 vs state
44%
+9 vs state
Average of math, English and science: 48% in 2022-23 → 50% in 2025-26 28% 1,052 White 56%
Silver Creek Elementary
Grades K–5 · Adams 12 Five Star Schools
1.5 mi
54%
+14 vs state
60%
+15 vs state
54%
+18 vs state
4% Average of math, English and science: 60% in 2022-23 → 56% in 2025-26 20% 538 White 62%
Hunters Glen Elementary School
Grades PK–5 · Adams 12 Five Star Schools
1.6 mi
34%
−6 vs state
36%
−10 vs state
39%
+3 vs state
4% Average of math, English and science: 32% in 2022-23 → 36% in 2025-26 53% 491 Hispanic 44%
Prairie Hills Elementary School
Grades K–5 · Adams 12 Five Star Schools
2.0 mi
45%
+5 vs state
51%
+5 vs state
38%
+2 vs state
3% Average of math, English and science: 48% in 2022-23 → 45% in 2025-26 30% 378 White 57%
Century Middle School
Grades 6–8 · Adams 12 Five Star Schools
2.0 mi
23%
−12 vs state
32%
−12 vs state
20%
−16 vs state
3% Average of math, English and science: 28% in 2022-23 → 25% in 2025-26 50% 717 White 43%
Tarver Elementary School
Grades PK–5 · Adams 12 Five Star Schools
2.2 mi
47%
+7 vs state
42%
−4 vs state
19%
−17 vs state
Average of math, English and science: 35% in 2022-23 → 36% in 2025-26 37% 475 White 50%
Arapahoe Ridge Elementary School
Grades PK–5 · Adams 12 Five Star Schools
2.3 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%
Meridian Elementary School
Grades K–5 · Adams 12 Five Star Schools
2.4 mi
68%
+28 vs state
72%
+27 vs state
65%
+28 vs state
6% Average of math, English and science: 62% in 2022-23 → 68% in 2025-26 23% 525 White 64%
Westgate Community School
Grades K–12 Charter · Adams 12 Five Star Schools
2.5 mi
25%
−12 vs state
34%
−11 vs state
29%
−7 vs state
10% Average of math, English and science: 39% in 2022-23 → 29% in 2025-26 38% 540 White 52%
Legacy High School
Grades 9–12 · Adams 12 Five Star Schools
2.5 mi
60%
+23 vs state
78%
+14 vs state
— 4% Average of math, English and science: 73% in 2022-23 → 69% in 2025-26 24% 2,052 White 61%