Serving 498 students in grades 6-8, Delta Middle School ranks in the bottom 50% of all schools in Colorado for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 17% (which is lower than the Colorado state average of 33%). The percentage of students achieving proficiency in reading/language arts is 33% (which is lower than the Colorado state average of 45%).
The student-teacher ratio of 18:1 is higher than the Colorado state level of 15:1.
Minority enrollment is 44% of the student body (majority Hispanic), which is lower than the Colorado state average of 51% (majority Hispanic).
Quick Facts (2026)
- Grades: 6-8
- Enrollment: 498 students
- Student-Teacher Ratio: 18:1
- Minority Enrollment: 44%
- Overall Testing Rank: Bottom 50% in CO
- Math Proficiency: 17% (Btm 50%)
- Reading Proficiency: 33% (Btm 50%)
- Science Proficiency: 20-24% (Btm 50%)
- Source: National Center for Education Statistics (NCES), CO Dept. of Education
School Overview
Delta Middle School's student population of 498 students has grown by 6% over five school years.
The teacher population of 28 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 6-8
(No virtual instruction)
(No virtual instruction)
Total Students
498 students
Total Classroom Teachers
28 teachers
School Calendar
School Motto
WE ARE DMS...
School Rankings
Delta Middle School ranks within the bottom 50% of all 1,748 schools in Colorado (based off of combined math and reading proficiency testing data).
The diversity score of Delta Middle School is 0.55, which is less than the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1217 out of 1748 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
17%
33%
Reading/Language Arts Test Scores (% Proficient)
33%
45%
Science Test Scores (% Proficient)
(20-21)20-24%
29%
Student-Teacher Ratio
18:1
15:1
American Indian
n/a
1%
Asian
2%
3%
Hispanic
38%
37%
Black
n/a
5%
White
56%
49%
Hawaiian
n/a
n/a
Two or more races
4%
5%
All Ethnic Groups
Chronically Absent Students
(22-23)39%
33.6%
Eligible for Free Lunch
47%
39%
Eligible for Reduced Lunch
8%
5%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CO Dept. of Education
Frequently Asked Questions
What is Delta Middle School's ranking?
Delta Middle School is ranked #1217 out of 1,748 schools, which ranks it among the bottom 50% of public schools in Colorado.
What percent of students have achieved state testing proficiency in math and reading?
17% of students have achieved math proficiency (compared to the 33% CO state average), while 33% of students have achieved reading proficiency (compared to the 45% CO state average).
How many students attend Delta Middle School?
498 students attend Delta Middle School.
What is the racial composition of the student body?
56% of Delta Middle School students are White, 38% of students are Hispanic, 4% of students are Two or more races, and 2% of students are Asian.
What is the student-teacher ratio of Delta Middle School?
Delta Middle School has a student ration of 18:1, which is higher than the Colorado state average of 15:1.
What grades does Delta Middle School offer ?
Delta Middle School offers enrollment in grades 6-8 (No virtual instruction).
What school district is Delta Middle School part of?
Delta Middle School is part of Delta County Joint District No. 50.
School Reviews
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