Serving 105 students in grades 9-12, Delta High 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 ≤20% (which is lower than the Colorado state average of 33%). The percentage of students achieving proficiency in reading/language arts is ≤20% (which is lower than the Colorado state average of 45%).
The student-teacher ratio of 15:1 is equal to the Colorado state level of 15:1.
Minority enrollment is 90% of the student body (majority Hispanic), which is higher than the Colorado state average of 51% (majority Hispanic).
Quick Facts (2026)
- School Type: Alternative school
- Grades: 9-12
- Enrollment: 105 students
- Student-Teacher Ratio: 15:1
- Minority Enrollment: 90%
- Graduation Rate: 60-69% (Btm 50% in CO)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: ≤20% (Btm 50%)
- Reading Proficiency: ≤20% (Btm 50%)
- Science Proficiency: <50% (Top 10%)
- Source: National Center for Education Statistics (NCES), CO Dept. of Education
Top Rankings
Delta High School ranks among the top 20% of public schools in Colorado for:
Category
Attribute
Science Proficiency
School Overview
Delta High School's student population of 105 students has stayed relatively flat over five school years.
The teacher population of 7 teachers has stayed relatively flat over five school years.
School Type
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
105 students
Total Classroom Teachers
7 teachers
School Rankings
Delta High 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 High School is 0.56, 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
#1398 out of 1748 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
≤20%
33%
Reading/Language Arts Test Scores (% Proficient)
≤20%
45%
Science Test Scores (% Proficient)
(20-21)<50%
29%
Student-Teacher Ratio
15:1
15:1
American Indian
n/a
1%
Asian
1%
3%
Hispanic
60%
37%
Black
28%
5%
White
10%
49%
Hawaiian
n/a
n/a
Two or more races
1%
5%
All Ethnic Groups
Graduation Rate
60-69%
82%
Chronically Absent Students
(22-23)82.9%
33.6%
Eligible for Free Lunch
66%
39%
Eligible for Reduced Lunch
10%
5%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CO Dept. of Education
Frequently Asked Questions
What is Delta High School's ranking?
Delta High School is ranked #1398 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?
≤20% of students have achieved math proficiency (compared to the 33% CO state average), while ≤20% of students have achieved reading proficiency (compared to the 45% CO state average).
What is the graduation rate of Delta High School?
The graduation rate of Delta High School is 60-69%, which is lower than the Colorado state average of 82%.
How many students attend Delta High School?
105 students attend Delta High School.
What is the racial composition of the student body?
60% of Delta High School students are Hispanic, 28% of students are Black, 10% of students are White, 1% of students are Asian, and 1% of students are Two or more races.
What is the student-teacher ratio of Delta High School?
Delta High School has a student ration of 15:1, which is equal to the Colorado state average of 15:1.
What grades does Delta High School offer ?
Delta High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Delta High School part of?
Delta High School is part of School District No. 1 In The County Of Denver And State Of C.
In what neighborhood is Delta High School located?
Delta High School is located in the East neighborhood of Denver, CO. There are 18 other public schools located in East.
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