Serving 609 students in grades 7-12, Jefferson Junior/senior 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 ≤5% (which is lower than the Colorado state average of 32%). The percentage of students achieving proficiency in reading/language arts is 6-9% (which is lower than the Colorado state average of 45%).
The student:teacher ratio of 17:1 is higher than the Colorado state level of 15:1.
Minority enrollment is 83% of the student body (majority Hispanic), which is higher than the Colorado state average of 50% (majority Hispanic).
Quick Stats (2025)
- School Type: Alternative school
- Grades: 7-12
- Enrollment: 609 students
- Student:Teacher Ratio: 17:1
- Minority Enrollment: 83%
- Graduation Rate: 56% (Btm 50% in CO)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: ≤5% (Btm 50%)
- Reading Proficiency: 6-9% (Btm 50%)
- Science Proficiency: ≤5% (Btm 50%)
- Source: National Center for Education Statistics (NCES), CO Dept. of Education
School Overview
Jefferson Junior/senior High School's student population of 609 students has stayed relatively flat over five school years.
The teacher population of 36 teachers has stayed relatively flat over five school years.
School Type
Grades Offered
Grades 7-12
Total Students
609 students
Gender %
Total Classroom Teachers
36 teachers
Students by Grade
School Calendar
School Rankings
Jefferson Junior/senior High School ranks within the bottom 50% of all 1,779 schools in Colorado (based off of combined math and reading proficiency testing data).
The diversity score of Jefferson Junior/senior High School is 0.37, which is less than the diversity score at state average of 0.62. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1760 out of 1779 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
≤5%
32%
Reading/Language Arts Test Scores (% Proficient)
6-9%
45%
Science Test Scores (% Proficient)
(20-21)≤5%
29%
Student : Teacher Ratio
17:1
15:1
American Indian
n/a
1%
Asian
1%
3%
Hispanic
78%
36%
Black
1%
5%
White
17%
50%
Hawaiian
1%
n/a
Two or more races
2%
5%
All Ethnic Groups
Graduation Rate
56%
82%
Eligible for Free Lunch
73%
39%
Eligible for Reduced Lunch
7%
6%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CO Dept. of Education
Frequently Asked Questions
What is Jefferson Junior/senior High School's ranking?
Jefferson Junior/senior High School is ranked #1760 out of 1,779 schools, which ranks it among the bottom 50% of public schools in Colorado.
What schools are Jefferson Junior/senior High School often compared to?
Jefferson Junior/senior High Schoolis often viewed alongside schools like Greeley Central High School, New Meridian High School, Harold Ferguson High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
≤5% of students have achieved math proficiency (compared to the 32% CO state average), while 6-9% of students have achieved reading proficiency (compared to the 45% CO state average).
What is the graduation rate of Jefferson Junior/senior High School?
The graduation rate of Jefferson Junior/senior High School is 56%, which is lower than the Colorado state average of 82%.
How many students attend Jefferson Junior/senior High School?
609 students attend Jefferson Junior/senior High School.
What is the racial composition of the student body?
78% of Jefferson Junior/senior High School students are Hispanic, 17% of students are White, 2% of students are Two or more races, 1% of students are Asian, 1% of students are Black, and 1% of students are Hawaiian.
What is the student:teacher ratio of Jefferson Junior/senior High School?
Jefferson Junior/senior High School has a student ration of 17:1, which is higher than the Colorado state average of 15:1.
What grades does Jefferson Junior/senior High School offer ?
Jefferson Junior/senior High School offers enrollment in grades 7-12
What school district is Jefferson Junior/senior High School part of?
Jefferson Junior/senior High School is part of Greeleyschool District No. 6 In The County Of Weld And Sta.
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