Beta You're viewing our redesigned school page. Prefer the classic layout?

Colorado High School Charter - Osage

Public, Charter Grades 9-12

206

Students ?

9.7

Student/teacher ratio ?

$17,920

Per pupil spending ?

87.4%

Free/reduced lunch eligible (2024-25) ?

All students in Colorado receive free school meals.

1175 Osage Street #100
Denver, CO 80204-3443

(303) 892-8475

District: School District No. 1

Racial breakdown:

Hispanic:

73.8%

African American:

16.5%

American Indian:

3.4%

See top rated Colorado public schools

Compare Colorado High School Charter - Osage to nearby high schools!

At a glance

▬ Ranking trend: Holding steady — 1st percentile in 2008 → 3rd in 2019

Strengths

✓Small classes — about 10 students per teacher

Worth a look

!Graduation rate below the Colorado average (27% vs 86%)

!Dropout rate above the Colorado average (16% vs 2%)

!High chronic absenteeism (63% vs 28% Colorado)

Not ranked this year

Colorado High School Charter - Osage did not have enough recent test-score data to be ranked. Check the trend below for past years.

69^th of 114School District No. 1 among Colorado districts

Statewide rank percentile over time (100 = the top-ranked school in the state; click a legend item to add a student group)

Show full rank history (all student groups)

All Students

Year	Avg score	Statewide rank	Colorado percentile	Rating
2019	3.9	399 of 411	2.9%	☆☆☆☆☆
2018	9.3	345 of 388	11.1%	★☆☆☆☆
2013	2.5	343 of 349	1.7%	☆☆☆☆☆
2012	4.0	321 of 334	3.9%	☆☆☆☆☆
2011	2.5	335 of 337	0.6%	☆☆☆☆☆
2010	4.9	313 of 327	4.3%	☆☆☆☆☆
2009	2.5	306 of 310	1.3%	☆☆☆☆☆
2008	2.7	297 of 301	1.3%	☆☆☆☆☆

★

No ratings yet

Be the first to rate Colorado High School Charter - Osage and help other families decide.

Rate Colorado High School Charter - Osage

Have first-hand experience? A quick rating - and a sentence or two about what stands out (teachers, academics, safety, communication) - helps other families know what to expect.

Takes about a minute. We email you a link to verify your review - your address is never shown publicly.

Tap a star to rate

Reviews

No written reviews yet. If you know this school, be the first to share what stands out.

Schools Near Colorado High School Charter - Osage

Load more schools when map is moved

Ranking:

E Elementary M Middle H High A Alternative P Private

Choose columns to see: Summary School Students/Teachers Ranking Test Scores Finance All

School													Students/Teachers											Ranking (2026)				Ranking (2025)				PSAT10 Reading and Writing (2026)	PSAT10 Mathematics (2026)	PSAT9 Reading and Writing (2026)	PSAT9 Mathematics (2026)	SAT Reading and Writing (2026)	SAT Mathematics (2026)	CMAS Science (2026)	Per Pupil Expenditures (2025)
Name	Type	Grades	Address	City	Zip	County	District	Is Charter	Is Magnet	Is Virtual	Is Title I	Phone	Enrollment	Full-time Teachers	Student/ Teacher Ratio	Free/reduced lunch (2024-25)	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Average Standard Score (2026)	Statewide Rank (2026)	State Percentile (2026)	SchoolDigger Rating (2026)	Average Standard Score (2025)	Statewide Rank (2025)	State Percentile (2025)	Rank Change from Previous Year	PSAT10 Reading and Writing 10th Grade	PSAT10 Mathematics 10th Grade	PSAT9 Reading and Writing 9th Grade	PSAT9 Mathematics 9th Grade	SAT Reading and Writing 11th Grade	SAT Mathematics 11th Grade	CMAS Science 11th Grade	Total
Colorado High School Charter - Osage	Public, Charter	9-12	1175 Osage Street #100	Denver	80204	Denver County	School District No. 1	Yes	No	No	Yes	(303) 892-8475	206	21	9.7	87.4%	5 (2.4%)	34 (16.5%)	152 (73.8%)	3 (1.5%)	7 (3.4%)	1 (0.5%)	4 (1.9%)								(n/a)							732.0	$17,920
West High School	Public	9-12	951 Elati St	Denver	80204	Denver County	School District No. 1	No	No	No	Yes	(720) 423-5300	519	42	12.2	90.9%	12 (2.3%)	45 (8.7%)	444 (85.5%)	6 (1.2%)	2 (0.4%)	1 (0.2%)	4 (0.8%)	6.5	326^th of 340 public high schools	4.1%		5.4	321^st of 328 public high schools	2.1%	5	25.3	8.8	38.0	13.0	24.2	6.7	6.7	$22,739
Compassion Road Academy	Public	9-12	1000 Cherokee Street	Denver	80204	Denver County	School District No. 1	No	No	No	Yes	(720) 424-2200	96	8	11.9	80.2%	15 (15.6%)	18 (18.8%)	55 (57.3%)	1 (1.0%)	2 (2.1%)	1 (1.0%)	3 (3.1%)								(n/a)								$27,745
Contemporary Learning Academy	Public	9-12	200 E. 9th Ave.	Denver	80203	Denver County	School District No. 1	No	No	No	Yes	(720) 423-6900	126	15	8.4	81.7%	12 (9.5%)	33 (26.2%)	71 (56.3%)	2 (1.6%)	2 (1.6%)	1 (0.8%)	4 (3.2%)								(n/a)	37.5	357.0			410.0	384.0		$30,736
Denver Justice High School	Public, Charter	9-12	300 E. 9th Ave.	Denver	80203	Denver County	School District No. 1	Yes	No	No	Yes	(303) 480-5610	106	8	12.8	94.3%	4 (3.8%)	38 (35.8%)	59 (55.7%)	0 (0.0%)	1 (0.9%)	0 (0.0%)	4 (3.8%)								(n/a)								$18,613
Emily Griffith High School	Public	9-12	1860 Lincoln St.	Denver	80203	Denver County	School District No. 1	No	No	No	Yes	(720) 423-4901	311	17	18.7	80.1%	33 (10.6%)	68 (21.9%)	177 (56.9%)	9 (2.9%)	5 (1.6%)	0 (0.0%)	18 (5.8%)								(n/a)								$20,794
Florence Crittenton High School	Public	9-12	55 South Zuni	Denver	80223	Denver County	School District No. 1	No	No	No	Yes	(720) 423-7900	107	10	10.8	89.7%	9 (8.4%)	9 (8.4%)	87 (81.3%)	1 (0.9%)	0 (0.0%)	0 (0.0%)	1 (0.9%)								(n/a)								$29,155
Career Education Center Early College	Public	9-12	2650 Eliot Street	Denver	80211	Denver County	School District No. 1	No	No	No	Yes	(720) 423-6600	468	44	10.7	85.5%	17 (3.6%)	11 (2.4%)	429 (91.7%)	4 (0.9%)	2 (0.4%)	0 (0.0%)	5 (1.1%)	16.9	287^th of 340 public high schools	15.6%		16.8	277^th of 328 public high schools	15.5%	10	55.8	23.3	43.2	11.9	32.4	13.3	15.2	$25,671
RiseUp Community School	Public, Charter	9-12	2342 Broadway St	Denver	80205	Denver County	School District No. 1	Yes	No	No	Yes	(303) 292-1018	100	11	9.0	77.0%	15 (15.0%)	30 (30.0%)	46 (46.0%)	1 (1.0%)	3 (3.0%)	0 (0.0%)	3 (3.0%)								(n/a)								$28,948
AUL Denver	Public, Charter	9-12	2417 W. 29th Ave	Denver	80211	Denver County	School District No. 1	Yes	No	No	Yes	(303) 282-0900	156	13	12.0	89.7%	10 (6.4%)	12 (7.7%)	126 (80.8%)	0 (0.0%)	4 (2.6%)	0 (0.0%)	4 (2.6%)								(n/a)	24.4	318.0	342.0	296.0				$22,807

Frequently Asked Questions about Colorado High School Charter - Osage

How many students attend Colorado High School Charter - Osage?

In the 2024-25 school year, 206 students attended Colorado High School Charter - Osage.

What district is Colorado High School Charter - Osage in?

School District No. 1

What is the racial makeup of Colorado High School Charter - Osage?

Students at Colorado High School Charter - Osage are 74% Hispanic, 17% African American, 3% American Indian, 2% White, 2% Two or more races, 1% Asian.

Rate Colorado High School Charter - Osage!

Other helpful SchoolDigger resources...

Compare to nearby schools

COColorado High School Rankings

COColorado District Rankings

Schools in Denver, CO

Sign up for updates!

Be the first to know when there is an update for Colorado High School Charter - Osage!

Latest Colorado data All new data »

2017–18 through 2025–26 immunization rates (updated)NewOct 19, 2026

2025–26 attendance dataOct 6, 2026

2025–26 CMAS, PSAT10, PSAT9 & SAT test scoresAug 19, 2026

2024–25 school spending dataJun 13, 2026

SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the Colorado Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.