allk12 · Rankings · Fastest declining · Colorado · High schools

The fastest-declining public high schools by enrollment in Colorado

Across Colorado, 139 public high schools are ranked here, ranked by the steepest enrollment decline between the 2017-18 and 2024-25 school years. New America School - Aurora leads the list at -82.7%, against a median of -12.4% across the ranked schools.

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Schools ranked

139

Colorado

Best Enrollment change

-82.7%

Median Enrollment change

-12.4%

FASTEST DECLINING · COLORADO

#	School	City	District	2017-18	2024-25	% Change
1	New America School - Aurora	DENVER, CO	State Charter School Institute	475	82	-82.7%
2	Denver School of Innovation and Sustainable Design	DENVER, CO	Denver Public Schools	234	60	-74.4%
3	New America School	LAKEWOOD, CO	Jefferson County School District No. R-1	249	74	-70.3%
4	Eastlake High School of Colorado Springs	COLORADO SPRINGS, CO	Colorado Springs School District 11	300	104	-65.3%
5	Community Prep Charter School	COLORADO SPRINGS, CO	Colorado Springs School District 11	340	158	-53.5%
6	Mesa Valley Community School	GRAND JUNCTION, CO	Mesa County Valley School District No. 51	373	178	-52.3%
7	Denver Center for International Studies	DENVER, CO	Denver Public Schools	730	354	-51.5%
8	Monument Charter Academy Secondary School	COLORADO SPRINGS, CO	Lewis-Palmer School District 38	1,014	541	-46.6%
9	Mitchell High School	COLORADO SPRINGS, CO	Colorado Springs School District 11	1,379	757	-45.1%
10	Colorado High School Charter	DENVER, CO	Denver Public Schools	364	206	-43.4%
11	Mapleton Expeditionary School of the Arts	THORNTON, CO	Mapleton Public Schools	677	393	-41.9%
12	Woodland Park High School	WOODLAND PARK, CO	Woodland Park School District No. Re-2	776	490	-36.9%
13	John F Kennedy High School	DENVER, CO	Denver Public Schools	1,070	681	-36.4%
14	Addenbrooke Classical Academy	LAKEWOOD, CO	Jefferson County School District No. R-1	297	191	-35.7%
15	Centennial High School	PUEBLO, CO	Pueblo School District 60	1,197	801	-33.1%
16	Hinkley High School	AURORA, CO	Aurora Public Schools	2,196	1,527	-30.5%
17	Ignacio High School	IGNACIO, CO	Ignacio School District No. 11Jt	259	182	-29.7%
18	Platte Canyon High School	BAILEY, CO	Platte Canyon School District 1	258	183	-29.1%
19	R-5 High School	GRAND JUNCTION, CO	Mesa County Valley School District No. 51	289	207	-28.4%
20	DSST: Cole High School	DENVER, CO	Denver Public Schools	397	287	-27.7%
21	Skyline High School	LONGMONT, CO	St. Vrain Valley School District No. Re1J	1,480	1,082	-26.9%
22	Windsor High School	WINDSOR, CO	Weld County Reorganized School District No. Re-4	1,495	1,094	-26.8%
23	Colorado's Finest High School of Choice	ENGLEWOOD, CO	Englewood Schools	293	216	-26.3%
24	Union Colony Preparatory School	GREELEY, CO	Greeley-Evans School District 6	449	333	-25.8%
25	Palmer High School	COLORADO SPRINGS, CO	Colorado Springs School District 11	1,697	1,265	-25.5%
26	Wheat Ridge High School	WHEAT RIDGE, CO	Jefferson County School District No. R-1	1,250	932	-25.4%
27	South High School	PUEBLO, CO	Pueblo School District 60	1,063	795	-25.2%
28	Rocky Ford Junior/Senior High School	ROCKY FORD, CO	Rocky Ford School District No. R2	362	271	-25.1%
29	Denver Center for 21st-Century Learning at Wyman	DENVER, CO	Denver Public Schools	200	150	-25.0%
30	Trinidad High School	TRINIDAD, CO	Trinidad School District #1	270	204	-24.4%
31	Highlands Ranch High School	HIGHLANDS RANCH, CO	Douglas County School District No. Re 1	1,745	1,323	-24.2%
32	Rampart High School	COLORADO SPRINGS, CO	Academy District 20	1,718	1,305	-24.0%
33	Poudre High School	FORT COLLINS, CO	Poudre School District R-1	1,821	1,409	-22.6%
34	Aurora West College Preparatory Academy	AURORA, CO	Aurora Public Schools	1,191	927	-22.2%
35	Arapahoe High School	CENTENNIAL, CO	Littleton Public Schools	2,230	1,748	-21.6%
36	Clear Creek High School	EVERGREEN, CO	Clear Creek School District No. Re-1	231	182	-21.2%
37	Brush High School	BRUSH, CO	School District No. Re-2 Brush	442	350	-20.8%
38	Peyton Senior High School	PEYTON, CO	Peyton School District	248	197	-20.6%
39	Sterling High School	STERLING, CO	School District No. Re-1 Valley	529	421	-20.4%
40	Emily Griffith High School	DENVER, CO	Denver Public Schools	389	311	-20.1%
41	Lester R Arnold High School	COMMERCE CITY, CO	Adams County School District 14	227	184	-18.9%
42	Gilpin County Undivided High School	BLACK HAWK, CO	Gilpin County School District No. Re-1	246	200	-18.7%
43	Evergreen High School	EVERGREEN, CO	Jefferson County School District No. R-1	1,116	909	-18.5%
44	Lakewood High School	LAKEWOOD, CO	Jefferson County School District No. R-1	2,128	1,735	-18.5%
45	Doherty High School	COLORADO SPRINGS, CO	Colorado Springs School District 11	2,101	1,715	-18.4%
46	La Junta Jr/Sr High School	LA JUNTA, CO	East Otero School District No. R1	614	501	-18.4%
47	Manitou Springs High School	MANITOU SPRINGS, CO	Manitou Springs School District	448	367	-18.1%
48	Dakota Ridge Senior High School	LITTLETON, CO	Jefferson County School District No. R-1	1,553	1,277	-17.8%
49	Holyoke Senior High School	HOLYOKE, CO	Holyoke School District No. Re-1J	257	212	-17.5%
50	Lyons Middle/Senior High School	LYONS, CO	St. Vrain Valley School District No. Re1J	417	344	-17.5%

Page 1 of 3 · top 139 of 139 ranked. NCES + state assessment data, 2024-25.↓ Download full CSV

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DATA NOTICE

allk12 is independent and not affiliated with, endorsed by, or sponsored by NCES, the US Census Bureau, any state education agency or assessment program, or any other government agency. Source data is compiled from public records and provided "as is," without warranty of accuracy or completeness. You rely on it, and any analysis derived from it, at your own risk. See the full disclaimer.