Serving 315 students in grades 7-12, Jefferson County Open Secondary ranks in the top 50% of all schools in Colorado for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 25-29% (which is lower than the Colorado state average of 33%). The percentage of students achieving proficiency in reading/language arts is 50-54% (which is higher 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 26% of the student body (majority Hispanic), which is lower than the Colorado state average of 51% (majority Hispanic).
Quick Facts (26-27)
- Grades: 7-12
- Enrollment: 315 students
- Student-Teacher Ratio: 15:1
- Minority Enrollment: 26%
- Graduation Rate: 60-69% (Btm 50% in CO)
- Overall Testing Rank: Top 50%
- Math Proficiency: 25-29% (Top 50%)
- Reading Proficiency: 50-54% (Top 30%)
- Science Proficiency: 20-24% (Btm 50%)
- Attendance Zone: The attendance zone for Jefferson County Open Secondary encompasses the entire school district in Denver, CO, covering an area of approximately 778.1 square miles. Families can expect a typical drive of 20-30 minutes to reach the school, with the average distance to the edge of the zone being about 19.6 miles and the furthest point located 43.7 miles away.
- Source: National Center for Education Statistics (NCES), CO Dept. of Education
School Overview
Jefferson County Open Secondary's student population of 315 students has stayed relatively flat over five school years.
The teacher population of 21 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 7-12
(No virtual instruction)
(No virtual instruction)
Total Students
315 students
Showing 2015–2025. Full 39-year historical data available below ↓
Total Classroom Teachers
21 teachers
Showing 2015–2025. Full 39-year historical data available below ↓
Year Founded
1970
School Calendar
School Rankings
Jefferson County Open Secondary ranks within the top 50% of all 1,748 schools in Colorado (based off of combined math and reading proficiency testing data).
The diversity score of Jefferson County Open Secondary is 0.42, 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
#710 out of 1748 schools
(Top 50%)
(Top 50%)
Showing 2013–2023. Full 14-year historical data available below ↓
Math Test Scores (% Proficient)
25-29%
33%
Showing 2013–2023. Full 14-year historical data available below ↓
Reading/Language Arts Test Scores (% Proficient)
50-54%
45%
Showing 2012–2022. Full 13-year historical data available below ↓
Science Test Scores (% Proficient)
(20-21)20-24%
29%
Student-Teacher Ratio
15:1
15:1
Showing 2015–2025. Full 39-year historical data available below ↓
Asian
1%
3%
Showing 2014–2025. Full 38-year historical data available below ↓
Hispanic
17%
37%
Showing 2015–2025. Full 38-year historical data available below ↓
White
74%
49%
Showing 2015–2025. Full 38-year historical data available below ↓
Two or more races
8%
5%
Showing 2015–2025. Full 15-year historical data available below ↓
All Ethnic Groups
Showing 2015–2025. Full 38-year historical data available below ↓
Graduation Rate
60-69%
82.7%
Showing 2014–2023. Full 13-year historical data available below ↓
Chronically Absent Students
(22-23)20.6%
33.6%
Eligible for Free Lunch
24%
39%
Showing 2014–2025. Full 37-year historical data available below ↓
Eligible for Reduced Lunch
10%
5%
Showing 2014–2025. Full 26-year historical data available below ↓
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CO Dept. of Education
Profile last updated:
Frequently Asked Questions
What is Jefferson County Open Secondary's ranking?
Jefferson County Open Secondary is ranked #710 out of 1,748 schools, which ranks it among the top 50% of public schools in Colorado.
What percent of students have achieved state testing proficiency in math and reading?
25-29% of students have achieved math proficiency (compared to the 33% CO state average), while 50-54% of students have achieved reading proficiency (compared to the 45% CO state average).
What is the graduation rate of Jefferson County Open Secondary?
The graduation rate of Jefferson County Open Secondary is 60-69%, which is lower than the Colorado state average of 82.7%.
How many students attend Jefferson County Open Secondary?
315 students attend Jefferson County Open Secondary.
What is the racial composition of the student body?
74% of Jefferson County Open Secondary students are White, 17% of students are Hispanic, 8% of students are Two or more races, and 1% of students are Asian.
What is the student-teacher ratio of Jefferson County Open Secondary?
Jefferson County Open Secondary has a student ration of 15:1, which is equal to the Colorado state average of 15:1.
What grades does Jefferson County Open Secondary offer ?
Jefferson County Open Secondary offers enrollment in grades 7-12 (No virtual instruction).
What school district is Jefferson County Open Secondary part of?
Jefferson County Open Secondary is part of Jefferson County School District No. R-1.
In what neighborhood is Jefferson County Open Secondary located?
Jefferson County Open Secondary is located in the Eiber neighborhood of Denver, CO. There are 2 other public schools located in Eiber.
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