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#1042 of 1,815 schools in CO

Windsor Middle School

Middle School · Weld County Reorganized School District No. Re-4 · Windsor, CO

A Weld County Reorganized School District No. Re-4 middle school where students score 11 points below what's typical for similar communities.

900 MAIN STREET, Windsor, CO 80550

  • Math 38% vs CO 35% (2025)
  • Reading 46% vs CO 46% (2025)
  • 15.3:1 student-teacher ratio

Academics

Full Profile · 3/3 metrics
Student Progress5.9Average40%
Year-over-year improvement in student test scores.
View breakdown
Years of Data15
Annual Change-3.6 pts/yr
Data Period2009–2025
TrendDeclining
Academics5.8Average35%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency37.4% (2025 CMAS)
Reading/ELA Proficiency45.4% (2025 CMAS)
Math vs. State Avg+1.3 pts
Reading vs. State Avg+0.5 pts
Overall Proficiency41% (2025 CMAS, Math+ELA)
Expected (poverty-adj.)52% (model expectation from 2025 CMAS)
vs. Expected-10.9 pts
Adjusted Percentile40th
Resources & Environment6.0Average25%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio15.3:1
District spending per student$11,404
Chronic Absenteeism25.7%

Students at Windsor Middle School score 41% proficient, which is below what's typical for similar communities (expected: 52%).

How we calculate scores →

2025 CMAS proficiency

Most recent published year. School vs. CO average.

Math Proficiency38%(2025 CMAS)
School
State
35%(2025 CMAS)
ELA Proficiency46%(2025 CMAS)
School
State
46%(2025 CMAS)

Trend

→ Steady

Proficiency is down 51 points across the 17-year record (2009–2025) and has held near 42% recently.

Show all 15 years
2009
Math
91%
ELA
95%
2010
Math
90%
ELA
93%
2011
Math
70%
ELA
79%
2012
Math
68%
ELA
79%
2013
Math
70%
ELA
77%
2014
Math
35%
ELA
37%
2015
Math
40%
ELA
38%
2016
Math
39%
ELA
42%
2017
Math
35%
ELA
42%
2018
Math
38%
ELA
45%
2019
Math
38%
ELA
45%
2020*
Math
32%
ELA
52%
2021*
Math
32%
ELA
52%
2022
Math
32%
2025
Math
38%
ELA
46%

Multi-year averages used by the rating model: math 48% (multi-year average, 2009-2025) · reading/ELA 56% (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 score

Free/reduced lunch

19.8%

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 rate

The neighborhood

Where Windsor 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 70Very Walkable
  • Bike 48Somewhat Bikeable
  • City Safety: Average567/100K

Powered byWalk Score

FBI Uniform Crime Reporting · 2024 · city context (Windsor), 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

$121,487

Median home value

$538,900

Median rent

$1,791/mo

College educated

50.7%

Homeownership

80.5%

Poverty rate

4.7%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 80550; this is area context, not an attendance boundary.

Programs & students

Programs & Offerings

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

3 from a 5-mile search; district fallback available

SchoolScoreGradesDistanceEnrollmentCompare
Windsor Charter Academy Middle SchoolCharter · enrollment unverified9.16–81.4 mi371Compare →
Severance Middle SchoolEnrollment path unverified5.36–82.5 mi714Compare →
Resurrection Christian SchoolPrivate · tuition3.8privatePK–124.9 mi1,188Compare →

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.

Private · tuition: Potential private option; tuition and admission requirements have not been verified.

Public and private scores come from different models and are shown side by side, not blended into one ranking.

Weld County Reorganized School District No. Re-4

Schools in district
13
Rank in district
#8 of 12
District spending per student
$11,404NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
5.3%Census SAIPE · 2024

Windsor Middle School is listed in Weld County Reorganized School District No. Re-4; a district label does not verify attendance for an address.

About Windsor Middle School

Windsor Middle School is a public middle school in Windsor, CO, part of Weld County Reorganized School District No. Re-4, serving approximately 764 students in grades 6th-8th with a 15.3:1 student-teacher ratio. It holds a MySchoolScout rating of 5.9 out of 10 and ranks #1,042 of 1,815 schools in CO.

State assessment records show 48% math proficiency (multi-year average, 2009-2025) and 56% reading/ELA proficiency (multi-year average, 2009-2025).

Frequently asked questions

Common questions about Windsor Middle School

What grades does Windsor Middle School serve?

Windsor Middle School serves students in grades 6th through 8th.

How many students attend Windsor Middle School?

Windsor Middle School has an enrollment of approximately 764 students.

What is the student-teacher ratio at Windsor Middle School?

The student-teacher ratio at Windsor Middle School is 15.3:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Windsor Middle School rank in CO?

Windsor Middle School ranks #1,042 of 1,815 schools in CO.

What is Windsor Middle School's MySchoolScout rating?

Windsor Middle School has a current MySchoolScout rating of 5.9 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 Windsor Middle School?

Based on loaded state assessment records, Windsor Middle School has 48% math proficiency (multi-year average, 2009-2025) and 56% reading/ELA proficiency (multi-year average, 2009-2025).

Is Windsor Middle School a charter school?

No, Windsor Middle School is not a charter school. It is a traditional public school operated by the local school district.

Is Windsor Middle School a Title I school?

No, Windsor Middle School is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Windsor Middle School?

19.8% of students at Windsor 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
764
Student-Teacher Ratio
15.3:1
Teachers (FTE)
50
Type
regular
Setting
Large Suburb
County
Weld County
Chronic Absenteeism (SY 2022-23)
25.7%
Area population (ZIP 80550)
44,224
Area average commute
27.1 min
Area median age
37.6
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 80550; 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

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