Average
#968 of 1,815 schools in CO
Mortensen Elementary School
Elementary School · Jefferson County School District No. R-1 · Littleton, CO
A Jefferson County School District No. R-1 elementary school serving grades Pre-K – 5th.
8006 SOUTH IRIS WAY, Littleton, CO 80128
- Math 43% vs CO 40% (2025)
- Reading 43% vs CO 45% (2025)
- 15.1:1 student-teacher ratio
Academics
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Students at Mortensen Elementary School score 43% proficient, which is above what's typical for similar communities (expected: 42%).
2025 CMAS proficiency
Most recent published year. School vs. CO average.
Trend
↑ RecoveringProficiency declined earlier in the 17-year record (2009–2025), then recovered 7 points since 2020, reaching 43% in 2025.
Show all 15 years
Multi-year averages used by the rating model: math 51% (multi-year average, 2009-2025) · reading/ELA 57% (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 35 test records from CO state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
40.8%
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 rateThe neighborhood
Where Mortensen Elementary School 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 75Very Walkable
- Transit 0Minimal Transit
- Bike 73Very Bikeable
- City Safety: High2,738/100K
Powered by
FBI Uniform Crime Reporting · 2024 · city context (Littleton), 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
$119,827
Median home value
$554,100
Median rent
$1,934/mo
College educated
48.8%
Homeownership
84.1%
Poverty rate
5%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 80128; this is area context, not an attendance boundary.
Programs & students
Programs & Offerings
Compare nearby
Nearby same-level schools
4 from a 5-mile search; district fallback available
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Shaffer Elementary SchoolEnrollment path unverified | 7.8 | PK–5 | 0.3 mi | 529 | Compare → |
| Collegiate Academy of ColoradoCharter · enrollment unverified | 6.1 | PK–12 | 0.5 mi | 281 | Compare → |
| Coronado Elementary SchoolEnrollment path unverified | 7.4 | PK–5 | 0.9 mi | 389 | Compare → |
| Stony Creek Elementary SchoolEnrollment path unverified | 7.9 | PK–5 | 1.1 mi | 374 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Charter · enrollment unverified: Potential charter option; enrollment requirements have not been verified.
Jefferson County School District No. R-1
- Schools in district
- 148
- Rank in district
- #91 of 140
- District spending per student
- $14,483NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 7.4%Census SAIPE · 2024
Mortensen Elementary School is listed in Jefferson County School District No. R-1; a district label does not verify attendance for an address.
About Mortensen Elementary School
Mortensen Elementary School is a public elementary school in Littleton, CO, part of Jefferson County School District No. R-1, serving approximately 287 students in grades Pre-K-5th with a 15.1:1 student-teacher ratio. It holds a MySchoolScout rating of 6.1 out of 10 and ranks #968 of 1,815 schools in CO.
State assessment records show 51% math proficiency (multi-year average, 2009-2025) and 57% reading/ELA proficiency (multi-year average, 2009-2025).
Frequently asked questions
Common questions about Mortensen Elementary School
What grades does Mortensen Elementary School serve?
Mortensen Elementary School serves students in grades Pre-K through 5th.
How many students attend Mortensen Elementary School?
Mortensen Elementary School has an enrollment of approximately 287 students.
What is the student-teacher ratio at Mortensen Elementary School?
The student-teacher ratio at Mortensen Elementary School is 15.1:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Mortensen Elementary School rank in CO?
Mortensen Elementary School ranks #968 of 1,815 schools in CO.
What is Mortensen Elementary School's MySchoolScout rating?
Mortensen Elementary School has a current MySchoolScout rating of 6.1 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 Mortensen Elementary School?
Based on loaded state assessment records, Mortensen Elementary School has 51% math proficiency (multi-year average, 2009-2025) and 57% reading/ELA proficiency (multi-year average, 2009-2025).
Is Mortensen Elementary School a charter school?
No, Mortensen Elementary School is not a charter school. It is a traditional public school operated by the local school district.
Is Mortensen Elementary School a Title I school?
No, Mortensen Elementary School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Mortensen Elementary School?
40.8% of students at Mortensen Elementary School 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
- Pre-K – 5th
- Enrollment
- 287
- Student-Teacher Ratio
- 15.1:1
- Teachers (FTE)
- 19
- Type
- regular
- Setting
- Large Suburb
- County
- Jefferson County
- Chronic Absenteeism (SY 2022-23)
- 14.6%
- Phone
- (303) 982-0022
- Area population (ZIP 80128)
- 36,859
- Area average commute
- 27.5 min
- Area median age
- 39.7
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 80128; 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
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