The most improved public middle schools in Colorado are Merrill Middle School, Justice High Charter School and Prep Academy.
A school's improvement is based on a its total rise in ranking spots during the last five years (2020-25).
Improved Rank Range: 455
1,374
Avg. Improved Rank: 756
Most Improved ºÚÁÏÍø¹ÙÍø Middle Schools in Colorado (2025-26)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Ranking Change (2020-25)
Grades
Location
Rank: #11.
Merrill Middle School
(Math: 57% | Reading: 59%)
Rank:
Rank:
9/
Top 20%10
Rank Change: +1374
(from 1,621 to 247)
(from 1,621 to 247)
Grades: 6-8
1551 South Monroe Street
Denver, CO 80210
(720) 424-0600
Denver, CO 80210
(720) 424-0600
Rank: #22.
Justice High Charter School
Alternative School
Charter School
Charter School
(Math: <50% | Reading: <50%)
Rank:
Rank:
8/
Top 30%10
Rank Change: +1231
(from 1,703 to 472)
(from 1,703 to 472)
Grades: 6-12
805 Excalibur
Lafayette, CO 80026
(720) 935-1337
Lafayette, CO 80026
(720) 935-1337
Rank: #33.
Prep Academy
Alternative School
(Math: <50% | Reading: <50%)
Rank:
Rank:
8/
Top 30%10
Rank Change: +1223
(from 1,695 to 472)
(from 1,695 to 472)
Grades: 6-12
2727 Columbine Street
Denver, CO 80205
(720) 424-8451
Denver, CO 80205
(720) 424-8451
Rank: #44.
Psd Global Academy
(Math: 40-44% | Reading: 55-59%)
Rank:
Rank:
8/
Top 30%10
Rank Change: +1214
(from 1,633 to 419)
(from 1,633 to 419)
Grades: K-12
703 East Prospect Road
Fort Collins, CO 80521
(970) 490-3086
Fort Collins, CO 80521
(970) 490-3086
Rank: #55.
Delta Academy Of Applied Learning
Alternative School
(Math: 40-59% | Reading: ≥80%)
Rank:
Rank:
9/
Top 20%10
Rank Change: +1117
(from 1,313 to 196)
(from 1,313 to 196)
Grades: 5-8
822 Grand Ave
Delta, CO 81416
(970) 874-0835
Delta, CO 81416
(970) 874-0835
Rank: #66.
Cheyenne Wells Junior/high School
(Math: ≥50% | Reading: ≥50%)
Rank:
Rank:
8/
Top 30%10
Rank Change: +1030
(from 1,471 to 441)
(from 1,471 to 441)
Grades: 7-12
325 West 4th North
Cheyenne Wells, CO 80810
(719) 767-5612
Cheyenne Wells, CO 80810
(719) 767-5612
Rank: #77.
Skinner Middle School
(Math: 47% | Reading: 51%)
Rank:
Rank:
8/
Top 30%10
Rank Change: +1025
(from 1,548 to 523)
(from 1,548 to 523)
Grades: 6-8
3435 West 40th Avenue
Denver, CO 80211
(720) 424-1420
Denver, CO 80211
(720) 424-1420
Rank: #88.
Gateway School
(Math: <50% | Reading: <50%)
Rank:
Rank:
8/
Top 30%10
Rank Change: +999
(from 1,471 to 472)
(from 1,471 to 472)
Grades: PK-12
42575 Highway 141
Gateway, CO 81522
(970) 254-7080
Gateway, CO 81522
(970) 254-7080
Rank: #99.
Eads Middle School
(Math: 40-49% | Reading: 60-69%)
Rank:
Rank:
8/
Top 30%10
Rank Change: +995
(from 1,348 to 353)
(from 1,348 to 353)
Grades: 6-8
900 Maine Street
Eads, CO 81036
(719) 438-2216
Eads, CO 81036
(719) 438-2216
Rank: #1010.
Campo Undivided High School
(Math: <50% | Reading: <50%)
Rank:
Rank:
8/
Top 30%10
Rank Change: +966
(from 1,438 to 472)
(from 1,438 to 472)
Grades: 6-12
480 Maple Street
Campo, CO 81029
(719) 787-2226
Campo, CO 81029
(719) 787-2226
Rank: #1111.
Idalia Junior-senior High School
(Math: 30-39% | Reading: 60-69%)
Rank:
Rank:
8/
Top 30%10
Rank Change: +907
(from 1,420 to 513)
(from 1,420 to 513)
Grades: 7-12
26845 County Road 9.2
Idalia, CO 80735
(970) 354-7298
Idalia, CO 80735
(970) 354-7298
Rank: #1212.
Morey Middle School
(Math: 69% | Reading: 78%)
Rank:
Rank:
10/
Top 5%10
Rank Change: +871
(from 908 to 37)
(from 908 to 37)
Grades: 6-8
840 East 14th Avenue
Denver, CO 80218
(720) 424-0700
Denver, CO 80218
(720) 424-0700
Rank: #1313.
Pawnee School Pk-12
(Math: <50% | Reading: <50%)
Rank:
Rank:
8/
Top 30%10
Rank Change: +841
(from 1,313 to 472)
(from 1,313 to 472)
Grades: PK-12
19 Chatoga
Grover, CO 80729
(970) 895-2222
Grover, CO 80729
(970) 895-2222
Rank: #1414.
Marble Charter School
Charter School
(Math: 21-39% | Reading: 60-79%)
Rank:
Rank:
8/
Top 30%10
Rank Change: +794
(from 1,313 to 519)
(from 1,313 to 519)
Grades: K-10
412 West Main Street
Carbondale, CO 81623
(970) 963-9550
Carbondale, CO 81623
(970) 963-9550
Rank: #1515.
Polaris Expeditionary Learning School
Alternative School
(Math: 40-44% | Reading: 71%)
Rank:
Rank:
9/
Top 20%10
Rank Change: +746
(from 1,062 to 316)
(from 1,062 to 316)
Grades: K-12
1905 Orchard Place
Fort Collins, CO 80521
(970) 488-8260
Fort Collins, CO 80521
(970) 488-8260
Rank: #1616.
Kit Carson Junior-senior High School
(Math: <50% | Reading: ≥50%)
Rank:
Rank:
8/
Top 30%10
Rank Change: +707
(from 1,165 to 458)
(from 1,165 to 458)
Grades: 6-12
102 5th Avenue
Kit Carson, CO 80825
(719) 962-3219
Kit Carson, CO 80825
(719) 962-3219
Rank: #1717.
Creede School
(Math: 30-39% | Reading: 50-59%)
Rank:
Rank:
7/
Top 50%10
Rank Change: +695
(from 1,313 to 618)
(from 1,313 to 618)
Grades: PK-12
308 La Garita Avenue
Creede, CO 81130
(719) 658-2220
Creede, CO 81130
(719) 658-2220
Rank: #1818.
Carbondale Middle School
(Math: 33% | Reading: 39%)
Rank:
Rank:
6/
Top 50%10
Rank Change: +647
(from 1,517 to 870)
(from 1,517 to 870)
Grades: 5-8
180 Snowmass Drive
Carbondale, CO 81623
(970) 384-5700
Carbondale, CO 81623
(970) 384-5700
Rank: #1919.
North Routt Community Charter School
Charter School
(Math: 50-59% | Reading: 70-79%)
Rank:
Rank:
10/
Top 10%10
Rank Change: +629
(from 772 to 143)
(from 772 to 143)
Grades: PK-8
26990 Eagle Lane
Clark, CO 80428
(970) 871-6062
Clark, CO 80428
(970) 871-6062
Rank: #2020.
Sangre De Cristo Undivided High School
(Math: 30-34% | Reading: 50-54%)
Rank:
Rank:
7/
Top 50%10
Rank Change: +607
(from 1,263 to 656)
(from 1,263 to 656)
Grades: 6-12
8751 Lane 7 N
Mosca, CO 81146
(719) 378-2321
Mosca, CO 81146
(719) 378-2321
Rank: #2121.
Plateau Valley Junior High School
(Math: 40-59% | Reading: 50-59%)
Rank:
Rank:
8/
Top 30%10
Rank Change: +567
(from 972 to 405)
(from 972 to 405)
Grades: 7-8
56600 Highway 330
Collbran, CO 81624
(970) 487-3547
Collbran, CO 81624
(970) 487-3547
Rank: #2222.
William (Bill) Roberts Ece-8 School
(Math: 79% | Reading: 81%)
Rank:
Rank:
10/
Top 1%10
Rank Change: +561
(from 577 to 16)
(from 577 to 16)
Grades: K-8
2100 Akron Way
Denver, CO 80238
(720) 424-2640
Denver, CO 80238
(720) 424-2640
Rank: #2323.
Moffat Prek-12 School
(Math: ≤20% | Reading: 40-49%)
Rank:
Rank:
5/
Bottom 50%10
Rank Change: +544
(from 1,561 to 1,017)
(from 1,561 to 1,017)
Grades: PK-12
501 Garfield Avenue
Moffat, CO 81143
(719) 256-4710
Moffat, CO 81143
(719) 256-4710
Rank: #2424.
Simla Junior High School
(Math: 30-34% | Reading: 55-59%)
Rank:
Rank:
7/
Top 50%10
Rank Change: +535
(from 1,137 to 602)
(from 1,137 to 602)
Grades: 6-8
18091 County Road 125
Simla, CO 80835
(719) 541-2291
Simla, CO 80835
(719) 541-2291
Rank: #2525.
Genoa-hugo School
(Math: 20-24% | Reading: 35-39%)
Rank:
Rank:
5/
Bottom 50%10
Rank Change: +534
(from 1,561 to 1,027)
(from 1,561 to 1,027)
Grades: PK-12
220 West 7th Street
Hugo, CO 80821
(719) 743-2428
Hugo, CO 80821
(719) 743-2428
Rank: #2626.
Murphy Creek K-8 School
(Math: 42% | Reading: 58%)
Rank:
Rank:
8/
Top 30%10
Rank Change: +529
(from 944 to 415)
(from 944 to 415)
Grades: PK-8
1400 S Old Tom Morris Road
Aurora, CO 80018
(303) 366-0579
Aurora, CO 80018
(303) 366-0579
Rank: #2727.
Soroco Middle School
(Math: 20-24% | Reading: 70-74%)
Rank:
Rank:
7/
Top 50%10
Rank Change: +526
(from 1,137 to 611)
(from 1,137 to 611)
Grades: 6-8
305 South Grant Street
Oak Creek, CO 80467
(970) 736-8531
Oak Creek, CO 80467
(970) 736-8531
Rank: #28 - 2928. - 29.
Mcclave Undivided High School
(Math: 50-59% | Reading: 50-54%)
Rank:
Rank:
9/
Top 20%10
Rank Change: +523
(from 872 to 349)
(from 872 to 349)
Grades: 7-12
308 Lincoln Street
Mc Clave, CO 81057
(719) 829-4517
Mc Clave, CO 81057
(719) 829-4517
Rank: #28 - 2928. - 29.
Grant Beacon Middle School
(Math: 29% | Reading: 39%)
Rank:
Rank:
5/
Bottom 50%10
Rank Change: +523
(from 1,438 to 915)
(from 1,438 to 915)
Grades: 6-8
1751 South Washington Street
Denver, CO 80210
(720) 423-9360
Denver, CO 80210
(720) 423-9360
Rank: #30 - 3130. - 31.
Arickaree Undivided High School
(Math: <50% | Reading: 21-39%)
Rank:
Rank:
6/
Top 50%10
Rank Change: +520
(from 1,313 to 793)
(from 1,313 to 793)
Grades: 6-12
12155 County Road Nn
Anton, CO 80801
(970) 383-2202
Anton, CO 80801
(970) 383-2202
Rank: #30 - 3130. - 31.
Guffey Charter School
Charter School
(Math: <50% | Reading: 21-39%)
Rank:
Rank:
6/
Top 50%10
Rank Change: +520
(from 1,313 to 793)
(from 1,313 to 793)
Grades: PK-8
1459 Main Street
Guffey, CO 80820
(719) 689-2093
Guffey, CO 80820
(719) 689-2093
Rank: #3232.
Ouray Middle School
(Math: 40-49% | Reading: 70-79%)
Rank:
Rank:
9/
Top 20%10
Rank Change: +503
(from 772 to 269)
(from 772 to 269)
Grades: 5-8
400 7th Avenue
Ouray, CO 81427
(970) 325-4505
Ouray, CO 81427
(970) 325-4505
Rank: #33 - 3433. - 34.
Edison Junior-senior High School
(Math: <50% | Reading: <50%)
Rank:
Rank:
8/
Top 30%10
Rank Change: +500
(from 972 to 472)
(from 972 to 472)
Grades: 6-12
14550 Edison Road
Yoder, CO 80864
(719) 478-2125
Yoder, CO 80864
(719) 478-2125
Rank: #33 - 3433. - 34.
Mountain Phoenix Community School
Charter School
(Math: 27% | Reading: 49%)
Rank:
Rank:
6/
Top 50%10
Rank Change: +500
(from 1,313 to 813)
(from 1,313 to 813)
Grades: PK-8
4725 Miller Street
Wheat Ridge, CO 80033
(303) 728-9100
Wheat Ridge, CO 80033
(303) 728-9100
Rank: #3535.
Highline Academy Southeast
Charter School
(Math: 46% | Reading: 61%)
Rank:
Rank:
8/
Top 30%10
Rank Change: +455
(from 843 to 388)
(from 843 to 388)
Grades: K-8
2170 South Dahlia Street
Denver, CO 80222
(303) 759-7808
Denver, CO 80222
(303) 759-7808
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