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#1256 of 1,815 schools in CO

Delta Middle School

Middle School · Delta County Joint District No. 50 · Delta, CO

A Delta County Joint District No. 50 middle school serving grades 6th – 8th.

401 EAST 10TH STREET, Delta, CO 81416

  • Math 17% vs CO 35% (2025)
  • Reading 42% vs CO 46% (2025)
  • 17.1:1 student-teacher ratio

Academics

Full Profile · 3/3 metrics
Student Progress5.2Average40%
Year-over-year improvement in student test scores.
View breakdown
Years of Data15
Annual Change-3.81 pts/yr
Data Period2009–2025
TrendDeclining
Academics5.8Average35%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency16.8% (2025 CMAS)
Reading/ELA Proficiency42.4% (2025 CMAS)
Math vs. State Avg-19.3 pts
Reading vs. State Avg-2.5 pts
Overall Proficiency30% (2025 CMAS, Math+ELA)
Expected (poverty-adj.)32% (model expectation from 2025 CMAS)
vs. Expected-2.3 pts
Adjusted Percentile40th
Resources & Environment4.3Below Average25%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio17.1:1
District spending per student$13,843
Chronic Absenteeism39%

Students at Delta Middle School score 30% proficient, which is below what's typical for similar communities (expected: 32%).

How we calculate scores →

2025 CMAS proficiency

Most recent published year. School vs. CO average.

Math Proficiency17%(2025 CMAS)
School
State
35%(2025 CMAS)
ELA Proficiency42%(2025 CMAS)
School
State
46%(2025 CMAS)

Trend

→ Steady

Proficiency is down 58 points across the 17-year record (2009–2025) and has held near 30% recently.

Show all 15 years
2009
Math
86%
ELA
89%
2010
Math
87%
ELA
88%
2011
Math
58%
ELA
68%
2012
Math
60%
ELA
69%
2013
Math
56%
ELA
68%
2014
Math
15%
ELA
33%
2015
Math
18%
ELA
32%
2016
Math
16%
ELA
36%
2017
Math
25%
ELA
40%
2018
Math
28%
ELA
43%
2019
Math
28%
ELA
43%
2020*
Math
22%
ELA
34%
2021*
Math
22%
ELA
34%
2022
Math
18%
2025
Math
17%
ELA
42%

Multi-year averages used by the rating model: math 34% (multi-year average, 2009-2025) · reading/ELA 50% (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

60.4%

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 Delta 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 57Somewhat Walkable
  • Bike 50Bikeable
  • City Safety: High3,475/100K

Powered byWalk Score

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

$52,174

Median home value

$282,500

Median rent

$1,043/mo

College educated

18.6%

Homeownership

68.2%

Poverty rate

16%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 81416; 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

2 from a 5-mile search; district fallback available

SchoolScoreGradesDistanceEnrollmentCompare
Delta Academy of Applied LearningEnrollment path unverifiedNot rated5–80.1 mi25Compare →
Cedaredge Middle SchoolEnrollment path unverified5.96–8Not available189Compare →

Distance is proximity only; it is not attendance eligibility.

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

Delta County Joint District No. 50

Schools in district
17
Rank in district
#14 of 16
District spending per student
$13,843NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
16.2%Census SAIPE · 2024

Delta Middle School is listed in Delta County Joint District No. 50; a district label does not verify attendance for an address.

About Delta Middle School

Delta Middle School is a public middle school in Delta, CO, part of Delta County Joint District No. 50, serving approximately 497 students in grades 6th-8th with a 17.1:1 student-teacher ratio. It holds a MySchoolScout rating of 5.2 out of 10 and ranks #1,256 of 1,815 schools in CO. State assessment records show 34% math proficiency (multi-year average, 2009-2025) and 50% reading/ELA proficiency (multi-year average, 2009-2025).

Frequently asked questions

Common questions about Delta Middle School

What grades does Delta Middle School serve?

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

How many students attend Delta Middle School?

Delta Middle School has an enrollment of approximately 497 students.

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

The student-teacher ratio at Delta Middle School is 17.1:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Delta Middle School rank in CO?

Delta Middle School ranks #1,256 of 1,815 schools in CO.

What is Delta Middle School's MySchoolScout rating?

Delta Middle School has a current MySchoolScout rating of 5.2 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 Delta Middle School?

Based on loaded state assessment records, Delta Middle School has 34% math proficiency (multi-year average, 2009-2025) and 50% reading/ELA proficiency (multi-year average, 2009-2025).

Is Delta Middle School a charter school?

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

Is Delta Middle School a Title I school?

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

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

60.4% of students at Delta 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
497
Student-Teacher Ratio
17.1:1
Teachers (FTE)
29
Type
regular
Setting
Distant Town
County
Delta County
Chronic Absenteeism (SY 2022-23)
39.0%
Area population (ZIP 81416)
14,219
Area average commute
23.1 min
Area median age
43.1
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 81416; 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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