Lowest Student–Teacher Ratio in Thornton (2025)

Schools with the fewest students per FTE teacher, among schools with at least 100 students. Ranked by the Success Index (US) from official American data; 31 schools in Thornton, Colorado. Rank positions shown on each profile are within United States and Colorado.

1
40
Skyview Elementary SchoolThornton · Public ElementaryStudents per teacher: 13.6
2
17
Thornton Elementary SchoolThornton · Public ElementaryStudents per teacher: 13.8
3
17
McElwain Elementary SchoolThornton · Public ElementaryStudents per teacher: 14.4
4
22
STEM LaunchThornton · Public ElementaryStudents per teacher: 14.7
5
17
Coronado Hills Elementary SchoolThornton · Public ElementaryStudents per teacher: 14.7
6
30
Riverdale Elementary SchoolThornton · Public ElementaryStudents per teacher: 16.2
7
29
Cherry Drive Elementary SchoolThornton · Public ElementaryStudents per teacher: 16.3
8
18
Thornton High SchoolThornton · Public HighStudents per teacher: 16.4
9
13
Thornton Middle SchoolThornton · Public MiddleStudents per teacher: 16.4
10
30
Shadow Ridge Middle SchoolThornton · Public MiddleStudents per teacher: 16.6
11
52
Eagleview Elementary SchoolThornton · Public ElementaryStudents per teacher: 16.7
12
31
Stellar Elementary SchoolThornton · Public ElementaryStudents per teacher: 16.7
13
48
Brantner Elementary SchoolThornton · Public ElementaryStudents per teacher: 16.9
14
19
Mapleton Expeditionary School of the ArtsThornton · Public HighStudents per teacher: 17.1
15
16
Meadow Community SchoolThornton · Public ElementaryStudents per teacher: 17.2
16
58
West Ridge ElementaryThornton · Public ElementaryStudents per teacher: 17.3
17
30
Woodglen Elementary SchoolThornton · Public ElementaryStudents per teacher: 17.4
18
16
Achieve AcademyThornton · Public ElementaryStudents per teacher: 17.6
19
65
Silver Creek ElementaryThornton · Public ElementaryStudents per teacher: 17.9
20
60
Prairie Hills Elementary SchoolThornton · Public ElementaryStudents per teacher: 18.0
21
22
Academy High SchoolThornton · Public HighStudents per teacher: 18.1
22
41
Hunters Glen Elementary SchoolThornton · Public ElementaryStudents per teacher: 18.2
23
64
Rocky Top Middle SchoolThornton · Public MiddleStudents per teacher: 18.5
24
36
Rodger Quist Middle SchoolThornton · Public MiddleStudents per teacher: 18.6
25
19
Clayton Partnership SchoolThornton · Public ElementaryStudents per teacher: 18.7
26
38
Century Middle SchoolThornton · Public MiddleStudents per teacher: 18.9
27
61
Discovery Magnet SchoolThornton · Public ElementaryStudents per teacher: 19.2
28
23
Explore Pk-8Thornton · Public ElementaryStudents per teacher: 19.9
29
18
Mapleton Early Career PreparationThornton · Public HighStudents per teacher: 20.4
30
49
Tarver Elementary SchoolThornton · Public ElementaryStudents per teacher: 21.6
31
47
Riverdale Ridge High SchoolThornton · Public HighStudents per teacher: 21.8

#	School	Sector	Students per teacher	Success Index (US)	Key result	Students
1	Skyview Elementary School Thornton · Elementary · Grades K–5	Public	13.6	40.3 Lower 50%	32% Math proficiency	326
2	Thornton Elementary School Thornton · Elementary · Grades PK–5	Public	13.8	16.9 Lower 50%	12% Math proficiency	387
3	McElwain Elementary School Thornton · Elementary · Grades K–5	Public	14.4	17.2 Lower 50%	14% Math proficiency	361
4	STEM Launch Thornton · Elementary · Grades K–8	Public	14.7	22.3 Lower 50%	22% Math proficiency	677
5	Coronado Hills Elementary School Thornton · Elementary · Grades PK–5	Public	14.7	16.8 Lower 50%	9% Math proficiency	412
6	Riverdale Elementary School Thornton · Elementary · Grades PK–5	Public	16.2	30.2 Lower 50%	22% Math proficiency	372
7	Cherry Drive Elementary School Thornton · Elementary · Grades PK–5	Public	16.3	28.9 Lower 50%	27% Math proficiency	325
8	Thornton High School Thornton · High · Grades 9–12	Public	16.4	18.1 Lower 50%	12% Math proficiency	1,439
9	Thornton Middle School Thornton · Middle · Grades 6–8	Public	16.4	12.5 Lower 50%	10% Math proficiency	721
10	Shadow Ridge Middle School Thornton · Middle · Grades 6–8	Public	16.6	30.1 Lower 50%	21% Math proficiency	632
11	Eagleview Elementary School Thornton · Elementary · Grades K–5	Public	16.7	51.5 Top 50%	43% Math proficiency	451
12	Stellar Elementary School Thornton · Elementary · Grades K–5	Public	16.7	31.1 Lower 50%	30% Math proficiency	418
13	Brantner Elementary School Thornton · Elementary · Grades PK–5	Public	16.9	48.1 Lower 50%	42% Math proficiency	574
14	Mapleton Expeditionary School of the Arts Thornton · High · Grades 9–12	Public	17.1	18.9 Lower 50%	12% Math proficiency	393
15	Meadow Community School Thornton · Elementary · Grades PK–8	Public	17.2	15.6 Lower 50%	15% Math proficiency	378
16	West Ridge Elementary Thornton · Elementary · Grades PK–5	Public	17.3	58.4 Top 50%	45% Math proficiency	690
17	Woodglen Elementary School Thornton · Elementary · Grades PK–5	Public	17.4	29.9 Lower 50%	27% Math proficiency	383
18	Achieve Academy Thornton · Elementary · Grades PK–8	Public	17.6	15.6 Lower 50%	17% Math proficiency	370
19	Silver Creek Elementary Thornton · Elementary · Grades K–5	Public	17.9	65.0 Top 50%	53% Math proficiency	538
20	Prairie Hills Elementary School Thornton · Elementary · Grades K–5	Public	18.0	60.3 Top 50%	50% Math proficiency	378
21	Academy High School Thornton · High · Grades 9–12	Public	18.1	22.3 Lower 50%	17% Math proficiency	399
22	Hunters Glen Elementary School Thornton · Elementary · Grades PK–5	Public	18.2	40.5 Lower 50%	36% Math proficiency	491
23	Rocky Top Middle School Thornton · Middle · Grades 6–8	Public	18.5	63.7 Top 50%	52% Math proficiency	1,052
24	Rodger Quist Middle School Thornton · Middle · Grades 6–8	Public	18.6	36.0 Lower 50%	24% Math proficiency	855
25	Clayton Partnership School Thornton · Elementary · Grades K–8	Public	18.7	18.7 Lower 50%	23% Math proficiency	430
26	Century Middle School Thornton · Middle · Grades 6–8	Public	18.9	38.1 Lower 50%	33% Math proficiency	717
27	Discovery Magnet School Thornton · Elementary · Grades K–8	Public	19.2	60.7 Top 50%	23.4% Free/reduced-price lunch	692
28	Explore Pk-8 Thornton · Elementary · Grades PK–8	Public	19.9	23.2 Lower 50%	22% Math proficiency	557
29	Mapleton Early Career Preparation Thornton · High · Grades 9–12	Public	20.4	17.6 Lower 50%	12% Math proficiency	306
30	Tarver Elementary School Thornton · Elementary · Grades PK–5	Public	21.6	48.7 Lower 50%	40% Math proficiency	475
31	Riverdale Ridge High School Thornton · High · Grades 9–12	Public	21.8	46.6 Lower 50%	39.2% Free/reduced-price lunch	1,784

Skyview Elementary School in Thornton leads the 2025 list of lowest student–teacher ratio in Thornton with Students per teacher 13.6. Of the 31 schools shown, 31 are public.

For the full picture see the wider Colorado lowest student–teacher ratio rankings, every school on the Thornton page, or the comparison tool to put a shortlist side by side.

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Frequently asked questions

What is the best ratio school in Thornton?

Skyview Elementary School in Thornton, Colorado ranks first among lowest student–teacher ratio in Thornton with Students per teacher 13.6 (Enrollment: 326).

How are lowest student–teacher ratio in Thornton ranked?

Schools with the fewest students per FTE teacher, among schools with at least 100 students. 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.