Largest Schools in Adams 12 Five Star Schools (2025)

Schools with the highest enrollment. Ranked by the Success Index (US) from official American data; 46 schools in Adams 12 Five Star Schools, Colorado. Rank positions shown on each profile are within United States and Colorado.

#	School	Sector	Enrollment	Success Index (US)	Key result	Students
1	Legacy High School Broomfield · High · Grades 9–12	Public	2,052	70.4 Top 25%	62% Math proficiency	2,052
2	Horizon High School Brighton · High · Grades 9–12	Public	1,966	56.4 Top 50%	44% Math proficiency	1,966
3	Northglenn High School Northglenn · High · Grades 9–12	Public	1,844	23.9 Lower 50%	20% Math proficiency	1,844
4	Mountain Range High School Westminster · High · Grades 9–12	Public	1,788	41.1 Lower 50%	31% Math proficiency	1,788
5	Thornton High School Thornton · High · Grades 9–12	Public	1,439	18.1 Lower 50%	12% Math proficiency	1,439
6	Rocky Top Middle School Thornton · Middle · Grades 6–8	Public	1,052	63.7 Top 50%	52% Math proficiency	1,052
7	Silver Hills Middle School Northglenn · Middle · Grades 6–8	Public	965	23.6 Lower 50%	20% Math proficiency	965
8	Westlake Middle School Broomfield · Middle · Grades 6–8	Public	853	64.9 Top 50%	55% Math proficiency	853
9	STEM Lab Northglenn · Elementary · Grades PK–8	Public	740	67.3 Top 50%	59% Math proficiency	740
10	Thunder Vista P-8 Broomfield · Elementary · Grades PK–8	Public	725	78.3 Top 25%	67% Math proficiency	725
11	Thornton Middle School Thornton · Middle · Grades 6–8	Public	721	12.5 Lower 50%	10% Math proficiency	721
12	Century Middle School Thornton · Middle · Grades 6–8	Public	717	38.1 Lower 50%	33% Math proficiency	717
13	STEM Launch Thornton · Elementary · Grades K–8	Public	677	22.3 Lower 50%	22% Math proficiency	677
14	Northglenn Middle School Northglenn · Middle · Grades 6–8	Public	672	17.5 Lower 50%	17% Math proficiency	672
15	Hulstrom K-8 Northglenn · Elementary · Grades K–8	Public	663	84.8 Top 5%	82% Math proficiency	663
16	Shadow Ridge Middle School Thornton · Middle · Grades 6–8	Public	632	30.1 Lower 50%	21% Math proficiency	632
17	Silver Creek Elementary Thornton · Elementary · Grades K–5	Public	538	65.0 Top 50%	53% Math proficiency	538
18	Meridian Elementary School Broomfield · Elementary · Grades K–5	Public	525	74.3 Top 25%	66% Math proficiency	525
19	Mountain View Elementary School Broomfield · Elementary · Grades PK–5	Public	517	55.2 Top 50%	42% Math proficiency	517
20	Hunters Glen Elementary School Thornton · Elementary · Grades PK–5	Public	491	40.5 Lower 50%	36% Math proficiency	491
21	Tarver Elementary School Thornton · Elementary · Grades PK–5	Public	475	48.7 Lower 50%	40% Math proficiency	475
22	Arapahoe Ridge Elementary School Westminster · Elementary · Grades PK–5	Public	465	42.7 Lower 50%	38% Math proficiency	465
23	Cotton Creek Elementary School Westminster · Elementary · Grades K–5	Public	455	54.5 Top 50%	46% Math proficiency	455
24	Eagleview Elementary School Thornton · Elementary · Grades K–5	Public	451	51.5 Top 50%	43% Math proficiency	451
25	Leroy Elementary Northglenn · Elementary · Grades K–5	Public	435	16.2 Lower 50%	8% Math proficiency	435
26	Malley Drive Elementary School Northglenn · Elementary · Grades PK–5	Public	435	13.8 Lower 50%	7% Math proficiency	435
27	Federal Heights Elementary School Denver · Elementary · Grades PK–5	Public	430	14.7 Lower 50%	12% Math proficiency	430
28	Stellar Elementary School Thornton · Elementary · Grades K–5	Public	418	31.1 Lower 50%	30% Math proficiency	418
29	Glacier Peak Elementary School Brighton · Elementary · Grades K–5	Public	412	40.8 Lower 50%	27% Math proficiency	412
30	Coronado Hills Elementary School Thornton · Elementary · Grades PK–5	Public	412	16.8 Lower 50%	9% Math proficiency	412
31	Westview Elementary School Northglenn · Elementary · Grades PK–5	Public	402	22.8 Lower 50%	15% Math proficiency	402
32	Coyote Ridge Elementary School Broomfield · Elementary · Grades K–5	Public	392	77.7 Top 25%	69% Math proficiency	392
33	Thornton Elementary School Thornton · Elementary · Grades PK–5	Public	387	16.9 Lower 50%	12% Math proficiency	387
34	Woodglen Elementary School Thornton · Elementary · Grades PK–5	Public	383	29.9 Lower 50%	27% Math proficiency	383
35	Prairie Hills Elementary School Thornton · Elementary · Grades K–5	Public	378	60.3 Top 50%	50% Math proficiency	378
36	Riverdale Elementary School Thornton · Elementary · Grades PK–5	Public	372	30.2 Lower 50%	22% Math proficiency	372
37	McElwain Elementary School Thornton · Elementary · Grades K–5	Public	361	17.2 Lower 50%	14% Math proficiency	361
38	Stukey Elementary School Northglenn · Elementary · Grades K–5	Public	348	20.0 Lower 50%	18% Math proficiency	348
39	Hillcrest Elementary School Northglenn · Elementary · Grades K–5	Public	338	20.2 Lower 50%	16% Math proficiency	338
40	Skyview Elementary School Thornton · Elementary · Grades K–5	Public	326	40.3 Lower 50%	32% Math proficiency	326
41	Cherry Drive Elementary School Thornton · Elementary · Grades PK–5	Public	325	28.9 Lower 50%	27% Math proficiency	325
42	North Star Elementary School Denver · Elementary · Grades PK–5	Public	320	17.1 Lower 50%	14% Math proficiency	320
43	Rocky Mountain Elementary School Westminster · Elementary · Grades K–5	Public	318	14.1 Lower 50%	6% Math proficiency	318
44	North Mor Elementary School Northglenn · Elementary · Grades PK–5	Public	304	20.0 Lower 50%	22% Math proficiency	304
45	Centennial Elementary School Broomfield · Elementary · Grades PK–5	Public	293	27.3 Lower 50%	16% Math proficiency	293
46	The Studio School Northglenn · Elementary · Grades K–5	Public	215	41.7 Lower 50%	27% Math proficiency	215

Legacy High School in Broomfield leads the 2025 list of largest schools in Adams 12 Five Star Schools with Enrollment 2,052. Of the 46 schools shown, 46 are public.

For the full picture see the wider Colorado largest schools rankings, every school on the Adams 12 Five Star Schools page, or the comparison tool to put a shortlist side by side.

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Frequently asked questions

What is the best largest school in Adams 12 Five Star Schools?

Legacy High School in Broomfield, Colorado ranks first among largest schools in Adams 12 Five Star Schools with Enrollment 2,052 (Enrollment: 2,052).

How are largest schools in Adams 12 Five Star Schools ranked?

Schools with the highest enrollment. Only schools eligible for the Success Index (US) are included; the index is shown alongside for context.

Are these 2025 rankings official?

No. They are computed by Success Tutoring from official American data (Urban Institute Education Data Portal (NCES CCD, EDFacts); NCES Common Core of Data). States set their own assessments and proficiency cut scores, so proficiency rates are most comparable within a state. Use the state rankings for like-for-like comparisons.