Martensen Elementary School serves 240 students in grades Prekindergarten-6.
The percentage of students achieving proficiency in math was 85-89% (which was higher than the Colorado state average of 82%). The percentage of students achieving proficiency in reading/language arts was 85-89% (which was approximately equal to the Colorado state average of 89%).
The student-teacher ratio of 14:1 was lower than the Colorado state level of 15:1.
Minority enrollment was 58% of the student body (majority Hispanic), which was higher than the Colorado state average of 50% (majority Hispanic).
<Â鶹¹û¶³´«Ã½ class='so-dt-title' id="overview">School Overview <Â鶹¹û¶³´«Ã½ class='so-dt-title' id="school-rankings">School Rankings
Grades Offered
Grades Prekindergarten-6
Total Students
240 students
Total Classroom Teachers
17 teachers
Math Test Scores (% Proficient)
(10-11)85-89%
82%
Reading/Language Arts Test Scores (% Proficient)
(10-11)85-89%
89%
Student-Teacher Ratio
14:1
15:1
American Indian
3%
1%
Asian
1%
3%
Hispanic
48%
36%
Black
1%
5%
White
42%
50%
Hawaiian
n/a
n/a
Two or more races
5%
5%
All Ethnic Groups
Eligible for Free Lunch
57%
39%
Eligible for Reduced Lunch
9%
6%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CO Dept. of Education
<Â鶹¹û¶³´«Ã½ class='so-dt-title' id='faq'>Frequently Asked Questions What percent of students have achieved state testing proficiency in math and reading?
85-89% of students have achieved math proficiency (compared to the 82% CO state average), while 85-89% of students have achieved reading proficiency (compared to the 89% CO state average).
How many students attend Martensen Elementary School?
240 students attend Martensen Elementary School.
What is the racial composition of the student body?
48% of Martensen Elementary School students are Hispanic, 42% of students are White, 5% of students are Two or more races, 3% of students are American Indian, 1% of students are Asian, and 1% of students are Black.
What is the student-teacher ratio of Martensen Elementary School?
Martensen Elementary School has a student ration of 14:1, which is lower than the Colorado state average of 15:1.
What grades does Martensen Elementary School offer ?
Martensen Elementary School offers enrollment in grades Prekindergarten-6
What school district is Martensen Elementary School part of?
Martensen Elementary School is part of Jefferson County School District No. R-1.
Â鶹¹û¶³´«Ã½ Articles
Bullying Prevention in Public Schools: Family Guide 2026
Explore effective strategies for bullying prevention in public schools and what families need to know in 2026.
Understanding Your Child’s IEP or 504 Plan Before School Ends
Learn how to review, understand, and prepare your child’s IEP or 504 plan before the school year ends. Expert guidance for parents in 2026.
Public Schools Supporting Student Mental Health in 2026
Learn how public schools are supporting student mental health in 2026 through counseling programs, wellness initiatives, and expanded services.
