Delta Middle School
🇺🇸 Official data · 2025Delta, Colorado 81416 · Delta County Joint District No. 50
#169 of 262 middle schools in Colorado
#10851 of 15,369 nationally
About Delta Middle School
Delta Middle School is a public middle located in Delta, in the Delta County Joint District No. 50 school district of Colorado, United States. It caters for Grades 6–8. In 2025 it enrolled 498 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 35.0 out of 100, placing it in the lower 50% of middle schools in United States and 169th of 262 ranked middle schools in Colorado. Its strongest component is community advantage (fewer free/reduced-price lunch) (50th percentile), and its weakest is students per teacher (22th percentile).
Other published figures: enrollment 498.
There are 5 schools in Delta; Delta Middle School ranks 2nd of 4 scored schools there.
Success Index (US) breakdown
Each component is a percentile against middle schools across United States.
- Math proficiency (30%)28%
- Reading proficiency (30%)43%
- Community advantage (fewer free/reduced-price lunch) (25%)55%
- Students per teacher (15%)18.4
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Delta Middle School by the official sources.
- Enrollment
- 498
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 55%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 18.4
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 43%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 28%
- Share of tested students proficient or above (all students, all grades).
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Schools near Delta Middle School
Closest schools by straight-line distance, with their Success Index (US).
Backpack Early Learning Academy
Delta · Public other · Grades PK–PK
188 students · 127 m away
Lincoln Elementary School
Delta · Public elementary · Grades K–5
371 students · 592 m away
Garnet Mesa Elementary School
Delta · Public elementary · Grades K–5
488 students · 790 m away
Delta High School
Delta · Public high · Grades 9–12
626 students · 1.7 km away
Similar schools
Public middle schools in Colorado with a comparable Enrollment.
Heath Middle School
Greeley · Public middle · Grades 6–8
499 students
West Jefferson Middle School
Conifer · Public middle · Grades 6–8
499 students
Southern Hills Middle School
Boulder · Public middle · Grades 6–8
502 students
Sproul Junior High School
Colorado Springs · Public middle · Grades 6–8
504 students
Montezuma-Cortez Middle School
Cortez · Public middle · Grades 6–8
505 students
Columbine Middle School
Montrose · Public middle · Grades 6–8
491 students
Frequently asked questions
Is Delta Middle School a good school?
Delta Middle School has a Success Index (US) of 35.0 out of 100 (Lower 50% of middle schools in United States) and ranks #169 of 262 in Colorado. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Delta Middle School rank in Colorado?
Delta Middle School ranks #169 of 262 middle schools in Colorado and #10851 of 15,369 nationally on the Success Index (US) (2025 data).
How many students attend Delta Middle School?
Delta Middle School had 498 students in 2025.
Is Delta Middle School a elementary school or a high school?
Delta Middle School is classified as a middle covering Grades 6–8. It is a public school.
What other schools are near Delta Middle School?
There are 4 schools within 15 km of Delta Middle School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.