The average public school in Colorado has approximately 455 students (2025).
The public schools with the largest student enrollments are listed below (where sufficient data available).
The largest public school in Colorado (by enrollment) is Goal Academy with 6,142 students.
# Students Range: 1,861
6,142
Avg. # Students: 2,315
Largest Colorado Public Schools (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
# Students
Grades
Location
Rank: #11.
Goal Academy
Alternative School
Charter School
Charter School
(Math: 4% | Reading: 23%)
Rank:
Rank:
1/
Bottom 50%10
Students: 6,142
Grades: 9-12
304 S. Victoria Ave
Pueblo, CO 81003
(877) 776-4625
Pueblo, CO 81003
(877) 776-4625
Rank: #22.
Cherry Creek High School
(Math: 70% | Reading: 85%)
Rank:
Rank:
10/
Top 5%10
Students: 3,829
Grades: 9-12
9300 East Union Avenue
Englewood, CO 80111
(720) 554-2000
Englewood, CO 80111
(720) 554-2000
Rank: #33.
Cherokee Trail High School
(Math: 48% | Reading: 72%)
Rank:
Rank:
9/
Top 20%10
Students: 3,059
Grades: 9-12
25901 Arapahoe Parkway
Aurora, CO 80016
(720) 886-1900
Aurora, CO 80016
(720) 886-1900
Rank: #44.
Eaglecrest High School
(Math: 37% | Reading: 62%)
Rank:
Rank:
8/
Top 30%10
Students: 2,988
Grades: 9-12
5100 South Picadilly Street
Aurora, CO 80015
(720) 886-1000
Aurora, CO 80015
(720) 886-1000
Rank: #55.
Grandview High School
(Math: 54% | Reading: 74%)
Rank:
Rank:
10/
Top 10%10
Students: 2,762
Grades: 9-12
20500 East Arapahoe Road
Aurora, CO 80016
(720) 886-6500
Aurora, CO 80016
(720) 886-6500
Rank: #66.
American Academy
Charter School
(Math: 54% | Reading: 62%)
Rank:
Rank:
9/
Top 20%10
Students: 2,579
Grades: PK-8
6971 Mira Vista Lane
Castle Rock, CO 80108
(720) 292-5200
Castle Rock, CO 80108
(720) 292-5200
Rank: #77.
Astravo Online Academy High School
Charter School
(Math: <50% | Reading: ≥50%)
Rank:
Rank:
8/
Top 30%10
Students: 2,578
Grades: 9-12
165 South Union Blvd Suite 777
Denver, CO 80228
(303) 822-5292
Denver, CO 80228
(303) 822-5292
Rank: #88.
East High School
(Math: 53% | Reading: 78%)
Rank:
Rank:
10/
Top 10%10
Students: 2,359
Grades: 9-12
1600 City Park Esplanade
Denver, CO 80206
(720) 423-8300
Denver, CO 80206
(720) 423-8300
Rank: #99.
Rock Canyon High School
(Math: 67% | Reading: 86%)
Rank:
Rank:
10/
Top 5%10
Students: 2,328
Grades: 9-12
5810 Mcarthur Ranch Road
Lone Tree, CO 80124
(303) 387-3000
Lone Tree, CO 80124
(303) 387-3000
Rank: #1010.
Smoky Hill High School
(Math: 30% | Reading: 58%)
Rank:
Rank:
7/
Top 50%10
Students: 2,281
Grades: 9-12
16100 East Smoky Hill Road
Aurora, CO 80015
(720) 886-5300
Aurora, CO 80015
(720) 886-5300
Rank: #1111.
Aurora Central Campus
(Math: 4% | Reading: 9%)
Rank:
Rank:
1/
Bottom 50%10
Students: 2,256
Grades: PK-12
11700 East 11th Ave
Aurora, CO 80010
(303) 340-1600
Aurora, CO 80010
(303) 340-1600
Rank: #1212.
Mountain Vista High School
(Math: 55% | Reading: 78%)
Rank:
Rank:
10/
Top 10%10
Students: 2,217
Grades: 9-12
10585 Mountain Vista Ridge
Littleton, CO 80126
(303) 387-1500
Littleton, CO 80126
(303) 387-1500
Rank: #1313.
Legend High School
(Math: 52% | Reading: 77%)
Rank:
Rank:
10/
Top 10%10
Students: 2,206
Grades: 9-12
22219 Hilltop Road
Parker, CO 80138
(303) 387-4500
Parker, CO 80138
(303) 387-4500
Rank: #1414.
Overland High School
(Math: 22% | Reading: 40%)
Rank:
Rank:
5/
Bottom 50%10
Students: 2,161
Grades: 9-12
12400 East Jewell Avenue
Aurora, CO 80012
(720) 747-3700
Aurora, CO 80012
(720) 747-3700
Rank: #1515.
Legacy High School
(Math: 61% | Reading: 76%)
Rank:
Rank:
10/
Top 5%10
Students: 2,158
Grades: 9-12
2701 West 136th Street
Broomfield, CO 80020
(720) 972-6700
Broomfield, CO 80020
(720) 972-6700
Rank: #1616.
Rangeview High School
(Math: 28% | Reading: 46%)
Rank:
Rank:
6/
Top 50%10
Students: 2,117
Grades: 9-12
17599 East Iliff Ave
Aurora, CO 80013
(303) 695-6848
Aurora, CO 80013
(303) 695-6848
Rank: #1717.
Northfield High School
(Math: 45% | Reading: 64%)
Rank:
Rank:
9/
Top 20%10
Students: 2,066
Grades: 9-12
5500 Central Park Blvd
Denver, CO 80238
(720) 423-8000
Denver, CO 80238
(720) 423-8000
Rank: #1818.
Rocky Mountain High School
(Math: 47% | Reading: 68%)
Rank:
Rank:
9/
Top 20%10
Students: 2,056
Grades: 9-12
1300 West Swallow Road
Fort Collins, CO 80526
(970) 488-7023
Fort Collins, CO 80526
(970) 488-7023
Rank: #1919.
Chaparral High School
(Math: 53% | Reading: 71%)
Rank:
Rank:
10/
Top 10%10
Students: 2,045
Grades: 9-12
15655 Brookstone Drive
Parker, CO 80138
(303) 387-3500
Parker, CO 80138
(303) 387-3500
Rank: #2020.
Boulder High School
(Math: 56% | Reading: 80%)
Rank:
Rank:
10/
Top 10%10
Students: 2,022
Grades: 9-12
1604 Arapahoe Avenue
Boulder, CO 80302
(720) 561-2200
Boulder, CO 80302
(720) 561-2200
Rank: #2121.
Westminster High School
(Math: 8% | Reading: 31%)
Rank:
Rank:
2/
Bottom 50%10
Students: 2,011
Grades: 9-12
6933 Raleigh St
Westminster, CO 80030
(303) 657-3980
Westminster, CO 80030
(303) 657-3980
Rank: #2222.
Greeley West High School
(Math: 15% | Reading: 37%)
Rank:
Rank:
4/
Bottom 50%10
Students: 1,987
Grades: 9-12
2401 35th Avenue
Greeley, CO 80634
(970) 348-5400
Greeley, CO 80634
(970) 348-5400
Rank: #2323.
Horizon High School
(Math: 43% | Reading: 62%)
Rank:
Rank:
8/
Top 30%10
Students: 1,981
Grades: 9-12
5321 East 136th Avenue
Brighton, CO 80601
(720) 972-4400
Brighton, CO 80601
(720) 972-4400
Rank: #24 - 2524. - 25.
Fossil Ridge High School
(Math: 65% | Reading: 88%)
Rank:
Rank:
10/
Top 5%10
Students: 1,968
Grades: 9-12
5400 Ziegler Road
Fort Collins, CO 80528
(970) 488-6260
Fort Collins, CO 80528
(970) 488-6260
Rank: #24 - 2524. - 25.
Fountain-fort Carson High School
(Math: 22% | Reading: 48%)
Rank:
Rank:
5/
Bottom 50%10
Students: 1,968
Grades: 9-12
900 Jimmy Camp Road
Fountain, CO 80817
(719) 382-1640
Fountain, CO 80817
(719) 382-1640
Rank: #2626.
Vista Peak 9-12 Preparatory
(Math: 29% | Reading: 44%)
Rank:
Rank:
6/
Top 50%10
Students: 1,966
Grades: 9-12
24500 East 6th Avenue
Aurora, CO 80018
(303) 340-0121
Aurora, CO 80018
(303) 340-0121
Rank: #2727.
Pine Creek High School
(Math: 53% | Reading: 79%)
Rank:
Rank:
10/
Top 10%10
Students: 1,913
Grades: 9-12
10750 Thunder Mountain Avenue
Colorado Springs, CO 80908
(719) 234-2600
Colorado Springs, CO 80908
(719) 234-2600
Rank: #2828.
The Pinnacle Charter School
Charter School
(Math: 10% | Reading: 17%)
Rank:
Rank:
1/
Bottom 50%10
Students: 1,909
Grades: K-12
1001 W 84th Ave
Denver, CO 80260
(303) 450-3985
Denver, CO 80260
(303) 450-3985
Rank: #2929.
Fort Collins High School
(Math: 50% | Reading: 72%)
Rank:
Rank:
9/
Top 20%10
Students: 1,902
Grades: 9-12
3400 Lambkin Way
Fort Collins, CO 80525
(970) 488-8021
Fort Collins, CO 80525
(970) 488-8021
Rank: #3030.
Arvada West High School
(Math: 43% | Reading: 67%)
Rank:
Rank:
9/
Top 20%10
Students: 1,878
Grades: 9-12
11595 Allendale Drive
Arvada, CO 80004
(303) 982-1303
Arvada, CO 80004
(303) 982-1303
Rank: #3131.
Ralston Valley Senior High School
(Math: 62% | Reading: 83%)
Rank:
Rank:
10/
Top 5%10
Students: 1,875
Grades: 9-12
13355 West 80th Avenue
Arvada, CO 80005
(303) 982-5600
Arvada, CO 80005
(303) 982-5600
Rank: #3232.
Academy Of Charter Schools
Charter School
(Math: 36% | Reading: 53%)
Rank:
Rank:
7/
Top 50%10
Students: 1,874
Grades: PK-12
11800 Lowell Blvd
Westminster, CO 80031
(303) 289-8088
Westminster, CO 80031
(303) 289-8088
Rank: #3333.
The Classical Academy Charter
Charter School
(Math: 67% | Reading: 75%)
Rank:
Rank:
10/
Top 5%10
Students: 1,871
Grades: K-6
975 Stout Road
Colorado Springs, CO 80921
(719) 484-0081
Colorado Springs, CO 80921
(719) 484-0081
Rank: #3434.
Castle View High School
(Math: 39% | Reading: 67%)
Rank:
Rank:
8/
Top 30%10
Students: 1,863
Grades: 9-12
5254 North Meadows Dr
Castle Rock, CO 80109
(303) 387-9000
Castle Rock, CO 80109
(303) 387-9000
Rank: #3535.
Doherty High School
(Math: 23% | Reading: 48%)
Rank:
Rank:
5/
Bottom 50%10
Students: 1,861
Grades: 9-12
4515 Barnes Road
Colorado Springs, CO 80917
(719) 328-6400
Colorado Springs, CO 80917
(719) 328-6400
Show 100 more public schools in CO (out of 1,907 total schools)
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Frequently Asked Questions
What is the Colorado average public schools student size?
The Colorado average public schools student size is 455 for 2025.
What are the public schools with the largest student size in Colorado?
The best top ranked public schools in Colorado include Goal Academy, Cherry Creek High School and Cherokee Trail High School.
What is public high school and public elementary school with the largest student size in Colorado?
The public high school with the largest student size in Colorado is Goal Academy, with a value of 6,142. The public elementary school with the largest student size is American Academy, with a value of 2,579.
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