Colorado · NCES CCD 2024-25

Largest Schools in Colorado

The 50 largest public schools in Colorado, ranked by total student enrollment from NCES CCD 2024-25.

Compiled from official source data by PlainSchools. · Updated August 2026

The ranking in one line

Goal Academy in PUEBLO is Colorado's largest public school with 6,693 students enrolled.

6,693
students at Goal Academy: 36.8:1
student-teacher ratio at the largest school: 2,182
average across the top 50

#	School	Student:Teacher	Level	District	Enrollment
1	Goal AcademyPUEBLO	36.8:1	High	El Paso County Colorado School District 49	6,693
2	Cherry Creek High SchoolGREENWOOD VILLAGE	20.4:1	High	Cherry Creek School District No. 5 in the county of Arapah	3,852
3	Cherokee Trail High SchoolAURORA	20.3:1	High	Cherry Creek School District No. 5 in the county of Arapah	3,089
4	Eaglecrest High SchoolCENTENNIAL	18.5:1	High	Cherry Creek School District No. 5 in the county of Arapah	2,851
5	American AcademyCASTLE PINES	18:1	Other	Douglas County School District No. Re 1	2,803
6	Astravo Online Academy High SchoolLAKEWOOD	67.1:1	High	Byers School District No. 32J	2,750
7	Grandview High SchoolAURORA	18.1:1	High	Cherry Creek School District No. 5 in the county of Arapah	2,684
8	East High SchoolDENVER	20:1	High	School District No. 1 in the county of Denver and State of C	2,476
9	Aurora Central CampusAURORA	20.4:1	Other	Aurora Joint District No. 28 of the counties of Adams and A	2,468
10	Rock Canyon High SchoolHIGHLANDS RANCH	21.1:1	High	Douglas County School District No. Re 1	2,325
11	Smoky Hill High SchoolAURORA	19.5:1	High	Cherry Creek School District No. 5 in the county of Arapah	2,297
12	Overland High SchoolAURORA	18.4:1	High	Cherry Creek School District No. 5 in the county of Arapah	2,228
13	Legend High SchoolPARKER	20.6:1	High	Douglas County School District No. Re 1	2,206
14	Mountain Vista High SchoolHIGHLANDS RANCH	19.5:1	High	Douglas County School District No. Re 1	2,169
15	Northfield High SchoolDENVER	21.6:1	High	School District No. 1 in the county of Denver and State of C	2,137
16	Rangeview High SchoolAURORA	21.6:1	High	Aurora Joint District No. 28 of the counties of Adams and A	2,078
17	Legacy High SchoolBROOMFIELD	19:1	High	Adams 12 Five Star Schools	2,052
18	Vista Peak 9-12 PreparatoryAURORA	24.3:1	High	Aurora Joint District No. 28 of the counties of Adams and A	2,045
19	Rocky Mountain High SchoolFORT COLLINS	19.7:1	High	Poudre School District R-1	2,044
20	Colorado Connections AcademyENGLEWOOD	25.8:1	Other	School District 27J	2,042
21	Westminster High SchoolWESTMINSTER	19.3:1	High	Westminster Public Schools	2,010
22	Chaparral High SchoolPARKER	19.5:1	High	Douglas County School District No. Re 1	2,007
23	Fountain-Fort Carson High SchoolFOUNTAIN	16.6:1	High	Fountain School District No. 8 in the county of El Paso an	1,974
24	Horizon High SchoolBRIGHTON	20.1:1	High	Adams 12 Five Star Schools	1,966
25	South High SchoolDENVER	21.4:1	High	School District No. 1 in the county of Denver and State of C	1,950
26	Boulder High SchoolBOULDER	19:1	High	Boulder Valley School District No. Re2	1,939
27	Castle View High SchoolCASTLE ROCK	20.6:1	High	Douglas County School District No. Re 1	1,938
28	Greeley West High SchoolGREELEY	20.8:1	High	GreeleySchool District No. 6 in the county of Weld and Sta	1,936
29	Arvada West High SchoolARVADA	21.4:1	High	Jefferson County School District No. R-1	1,923
30	The Classical Academy CharterCOLORADO SPRINGS	15.6:1	Elementary	Academy School District No. 20 in the county of El Paso an	1,909
31	The Pinnacle Charter SchoolFEDERAL HEIGHTS	16.7:1	Other	State Charter School Institute	1,905
32	Academy of Charter SchoolsWESTMINSTER	20.5:1	Other	State Charter School Institute	1,887
33	Pine Creek High SchoolCOLORADO SPRINGS	18.8:1	High	Academy School District No. 20 in the county of El Paso an	1,875
34	Ralston Valley Senior High SchoolARVADA	21.6:1	High	Jefferson County School District No. R-1	1,875
35	Fairview High SchoolBOULDER	21.4:1	High	Boulder Valley School District No. Re2	1,863
36	Fossil Ridge High SchoolFORT COLLINS	18.5:1	High	Poudre School District R-1	1,846
37	Northglenn High SchoolNORTHGLENN	18.6:1	High	Adams 12 Five Star Schools	1,844
38	Fort Collins High SchoolFORT COLLINS	16.5:1	High	Poudre School District R-1	1,836
39	Grand Junction High SchoolGRAND JUNCTION	22.9:1	High	Mesa County Valley School District No. 51	1,832
40	Thunderridge High SchoolHIGHLANDS RANCH	20:1	High	Douglas County School District No. Re 1	1,820
41	Prairie View High SchoolHENDERSON	24.1:1	High	School District 27J	1,809
42	Chatfield High SchoolLITTLETON	20.1:1	High	Jefferson County School District No. R-1	1,808
43	Mountain Range High SchoolWESTMINSTER	21.3:1	High	Adams 12 Five Star Schools	1,788
44	Riverdale Ridge High SchoolTHORNTON	29.7:1	High	School District 27J	1,784
45	University SchoolsGREELEY	17.7:1	Other	GreeleySchool District No. 6 in the county of Weld and Sta	1,784
46	Gateway High SchoolAURORA	23.6:1	High	Aurora Joint District No. 28 of the counties of Adams and A	1,748
47	Arapahoe High SchoolCENTENNIAL	21.1:1	High	Littleton School District No. 6 in the county of Arapahoe	1,748
48	Heritage High SchoolLITTLETON	20.8:1	High	Littleton School District No. 6 in the county of Arapahoe	1,748
49	Lakewood High SchoolLAKEWOOD	17.4:1	High	Jefferson County School District No. R-1	1,735
50	Brighton High SchoolBRIGHTON	17.7:1	High	School District 27J	1,733

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Methodology

Enrollment data comes from the NCES Common Core of Data (CCD) 2024-25 school year. Schools are ranked by total student enrollment. Student-teacher ratios are calculated from full-time equivalent (FTE) teacher counts reported by each school.

Read our methodology - how this data is sourced, computed, and verified.