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Below Average

#1399 of 1,815 schools in CO

Denver Online

High School · School District No. 1 in the County of Denver and State of C · Denver, CO

A School District No. 1 in the County of Denver and State of C high school where students score 12 points below what's typical for similar communities.

451 S. TEJON ST., Denver, CO 80223

  • Math 8% vs CO 36% (2025)
  • Reading 35% vs CO 47% (2025)
  • 57.0% 4-year graduation

Academics

Full Profile · 4/4 metrics
Student Progress8.9Excellent25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data15
Annual Change-1.68 pts/yr
Data Period2009–2025
TrendDeclining
Academics3.4Needs Improvement25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency8.2% (2025 CMAS)
Reading/ELA Proficiency29.2% (2025 CMAS)
Math vs. State Avg-27.9 pts
Reading vs. State Avg-15.7 pts
Overall Proficiency19% (2025 CMAS, Math+ELA)
Expected (poverty-adj.)31% (model expectation from 2025 CMAS)
vs. Expected-12.2 pts
Adjusted Percentile15th
College Readiness4.3Below Average30%
Graduation rates, AP course participation, and IB availability.
View breakdown
4-Year Graduation Rate57%
AP Participation1.5%
IB ProgramNo
Resources & Environment2.1Needs Improvement20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio17.5:1
District spending per student$17,206
Chronic Absenteeism91%

Students at Denver Online score 19% proficient, which is below what's typical for similar communities (expected: 31%).

How we calculate scores →

2025 CMAS proficiency

Most recent published year. School vs. CO average.

Math Proficiency8%(2025 CMAS)
School
State
36%(2025 CMAS)
ELA Proficiency35%(2025 CMAS)
School
State
47%(2025 CMAS)

Trend

↓ Declining

Proficiency has fallen 33 points since 2020, to 21% in 2025, across a 17-year record (2009–2025).

Show all 15 years
2009
Math
45%
ELA
95%
2010
Math
50%
ELA
90%
2011
Math
5%
ELA
55%
2012
Math
25%
ELA
75%
2013
Math
25%
ELA
75%
2014
Math
15%
ELA
45%
2015
Math
15%
ELA
35%
2016
Math
15%
ELA
25%
2017
Math
42%
ELA
47%
2018
Math
35%
ELA
65%
2019
Math
35%
ELA
65%
2020*
Math
45%
ELA
65%
2021*
Math
45%
ELA
65%
2022
Math
12%
2025
Math
8%
ELA
35%

Multi-year averages used by the rating model: math 28% (multi-year average, 2009-2025) · reading/ELA 58% (multi-year average, 2009-2025)

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Based on 30 test records from CO state assessments and EdFacts (NCES).

Equity & diversity

Shown separately, not included in the overall score

Free/reduced lunch

62.5%

Students qualifying for federal meal assistance

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

See how we rate

The neighborhood

Where Denver Online sits, and what the surrounding area looks like.

Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the Denver map →

Getting around & local context

  • Walk 67Somewhat Walkable
  • Transit 41Some Transit
  • Bike 64Bikeable
  • City Safety: High5,773/100K

Powered byWalk Score

FBI Uniform Crime Reporting · 2024 · city context (Denver), not school-level safety or attendance eligibility. Source details

Source period: 2024. Freshness not available.

Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)

Median income

$80,461

Median home value

$497,900

Median rent

$1,650/mo

College educated

45.8%

Homeownership

47.4%

Poverty rate

17.2%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 80223; this is area context, not an attendance boundary.

Programs & students

Programs & Offerings

AP/IB Programs2AP courses offered
1.5% participation·State avg: 2.7 AP courses·CRDC via Urban Institute · SY 2021–22
Advanced STEM Courses4of 5 advanced subjects offered
Algebra II, Advanced Math, Calculus, Chemistry, Physics·CRDC via Urban Institute · SY 2021–22
Gifted & Talented ProgramAvailable
This school offers a gifted and talented program for qualifying students.·CRDC via Urban Institute · SY 2021–22

Compare nearby

Nearby same-level schools

4 from a 5-mile search; district fallback available

SchoolScoreGradesDistanceEnrollmentCompare
Kipp Denver Collegiate High SchoolCharter · enrollment unverified7.99–120.0 mi471Compare →
Florence Crittenton High SchoolEnrollment path unverified4.59–120.5 mi97Compare →
5280 High SchoolCharter · enrollment unverified6.79–121.0 mi92Compare →
Rocky Mountain Prep SmartCharter · enrollment unverified7.09–121.3 mi565Compare →

Distance is proximity only; it is not attendance eligibility.

Charter · enrollment unverified: Potential charter option; enrollment requirements have not been verified.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

School District No. 1 in the County of Denver and State of C

Schools in district
197
Rank in district
#170 of 196
District spending per student
$17,206NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
17.0%Census SAIPE · 2024

Denver Online is listed in School District No. 1 in the county of Denver and State of C; a district label does not verify attendance for an address.

About Denver Online

Denver Online is a public high school in Denver, CO, part of School District No. 1 in the County of Denver and State of C, serving approximately 611 students in grades 6th-12th with a 17.5:1 student-teacher ratio. It holds a MySchoolScout rating of 4.8 out of 10 and ranks #1,399 of 1,815 schools in CO. State assessment records show 28% math proficiency (multi-year average, 2009-2025) and 58% reading/ELA proficiency (multi-year average, 2009-2025).

Frequently asked questions

Common questions about Denver Online

What grades does Denver Online serve?

Denver Online serves students in grades 6th through 12th.

How many students attend Denver Online?

Denver Online has an enrollment of approximately 611 students.

What is the student-teacher ratio at Denver Online?

The student-teacher ratio at Denver Online is 17.5:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Denver Online rank in CO?

Denver Online ranks #1,399 of 1,815 schools in CO.

What is Denver Online's MySchoolScout rating?

Denver Online has a current MySchoolScout rating of 4.8 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Denver Online?

Based on loaded state assessment records, Denver Online has 28% math proficiency (multi-year average, 2009-2025) and 58% reading/ELA proficiency (multi-year average, 2009-2025).

Is Denver Online a charter school?

No, Denver Online is not a charter school. It is a traditional public school operated by the local school district.

Is Denver Online a Title I school?

No, Denver Online is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Denver Online?

62.5% of students at Denver Online qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

School factsNCES Common Core of Data (CCD) (SY 2023–24)

Grades
6th – 12th
Enrollment
611
Student-Teacher Ratio
17.5:1
Teachers (FTE)
35
Type
regular
Setting
Large City
County
Denver County
Chronic Absenteeism (SY 2022-23)
91.0%
4-Year Graduation
57.0%
Area population (ZIP 80223)
19,624
Area average commute
27.6 min
Area median age
34.4
About this school's data

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2025 CMAS · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2025 CMAS · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
NCES EdFacts · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 80223; this does not measure the attendance area.
Programs (AP/IB, athletics, gifted)
CRDC via Urban Institute · SY 2021–22 · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: SY 2021–22. A newer release may be available.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2025; directory SY 2023–24

About our data · How we calculate scores

Related reading

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