Very Good
#578 of 1,815 schools in CO
Top 32% in state
Altona Middle School
Middle School · St. Vrain Valley School District No. Re1j · Longmont, CO
A St. Vrain Valley School District No. Re1j middle school where students score 9 points above what's typical for similar communities.
4600 CLOVER BASIN DRIVE, Longmont, CO 80503
- Math 55% proficient (2022)
- Reading 67% proficient (2021)
- 18.5:1 student-teacher ratio
Academics
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Students at Altona Middle School score 61% proficient, which is above what's typical for similar communities (expected: 52%).
2022 EdFacts proficiency
Most recent published year. School vs. CO average.
Trend
↓ DecliningProficiency has fallen 12 points since 2019, to 55% in 2022, across a 14-year record (2009–2022).
Show all 14 years
Multi-year averages used by the rating model: math 69% (multi-year average, 2009-2022) · reading/ELA 80% (multi-year average, 2009-2021)
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Based on 27 test records from CO state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
20%
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 Altona Middle School sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries.
Getting around & local context
- Walk 10Car-Dependent
- Transit 24Minimal Transit
- Bike 53Bikeable
- City Safety: High3,112/100K
Powered by
FBI Uniform Crime Reporting · 2024 · city context (Longmont), 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
$118,465
Median home value
$704,800
Median rent
$1,843/mo
College educated
60.2%
Homeownership
68.5%
Poverty rate
5.1%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 80503; 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 |
|---|---|---|---|---|---|
| Sunset Middle SchoolEnrollment path unverified | 6.0 | 6–8 | 2.2 mi | 341 | Compare → |
| Twin Peaks Charter AcademyCharter · enrollment unverified | 6.7 | K–12 | 2.4 mi | 852 | Compare → |
| Westview Middle SchoolEnrollment path unverified | 7.0 | 6–8 | 2.9 mi | 621 | Compare → |
| St. Vrain Launched Virtual AcademyEnrollment path unverified | 5.4 | K–12 | 3.2 mi | 329 | 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.
St. Vrain Valley School District No. Re1j
- Schools in district
- 54
- Rank in district
- #21 of 54
- District spending per student
- $14,045NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 7.3%Census SAIPE · 2024
Altona Middle School is listed in St. Vrain Valley School District No. Re1J; a district label does not verify attendance for an address.
About Altona Middle School
Altona Middle School is a public middle school in Longmont, CO, part of St. Vrain Valley School District No. Re1j, serving approximately 741 students in grades 6th-8th with a 18.5:1 student-teacher ratio.
It holds a MySchoolScout rating of 7.3 out of 10 and ranks #578 of 1,815 schools in CO. State assessment records show 69% math proficiency (multi-year average, 2009-2022) and 80% reading/ELA proficiency (multi-year average, 2009-2021).
Frequently asked questions
Common questions about Altona Middle School
What grades does Altona Middle School serve?
Altona Middle School serves students in grades 6th through 8th.
How many students attend Altona Middle School?
Altona Middle School has an enrollment of approximately 741 students.
What is the student-teacher ratio at Altona Middle School?
The student-teacher ratio at Altona Middle School is 18.5:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Altona Middle School rank in CO?
Altona Middle School ranks #578 of 1,815 schools in CO.
What is Altona Middle School's MySchoolScout rating?
Altona Middle School has a current MySchoolScout rating of 7.3 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 Altona Middle School?
Based on loaded state assessment records, Altona Middle School has 69% math proficiency (multi-year average, 2009-2022) and 80% reading/ELA proficiency (multi-year average, 2009-2021).
Is Altona Middle School a charter school?
No, Altona Middle School is not a charter school. It is a traditional public school operated by the local school district.
Is Altona Middle School a Title I school?
No, Altona Middle School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Altona Middle School?
20.0% of students at Altona Middle 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
- 6th – 8th
- Enrollment
- 741
- Student-Teacher Ratio
- 18.5:1
- Teachers (FTE)
- 40
- Type
- regular
- Setting
- Midsize Suburb
- County
- Boulder County
- Chronic Absenteeism (SY 2022-23)
- 24.4%
- Phone
- (720) 494-3980
- Area population (ZIP 80503)
- 36,206
- Area average commute
- 25.1 min
- Area median age
- 43.9
Official sources & links
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 · 2022 EdFacts · Low confidence
- Older source: 2022 EdFacts. Use as historical context.
- 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 · 2021 EdFacts · Low confidence
- Older source: 2021 EdFacts. Use as historical context.
- 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 80503; 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, 2009-2022, multi-year average, 2009-2021; directory SY 2023–24
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