Serving 532 students in grades Prekindergarten-6, Lumberg Elementary 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 33%). The percentage of students achieving proficiency in reading/language arts is 10-14% (which is lower than the Colorado state average of 45%).
The student-teacher ratio of 16:1 is higher than the Colorado state level of 15:1.
Minority enrollment is 89% of the student body (majority Hispanic), which is higher than the Colorado state average of 50% (majority Hispanic).
Quick Facts (2026)
- Grades: Prekindergarten-6
- Enrollment: 532 students
- Student-Teacher Ratio: 16:1
- Minority Enrollment: 89%
- Overall Testing Rank: Bottom 50% in CO
- Math Proficiency: ≤5% (Btm 50%)
- Reading Proficiency: 10-14% (Btm 50%)
- Source: National Center for Education Statistics (NCES), CO Dept. of Education
School Overview
Lumberg Elementary School's student population of 532 students has grown by 58% over five school years.
The teacher population of 33 teachers has grown by 50% over five school years.
Grades Offered
Grades Prekindergarten-6
(No virtual instruction)
(No virtual instruction)
Total Students
532 students
Gender %
Total Classroom Teachers
33 teachers
School Calendar
Last Day of School
Mon. May 25, 2026
School Rankings
Lumberg Elementary 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 Lumberg Elementary School is 0.39, 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
#1725 out of 1748 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
≤5%
33%
Reading/Language Arts Test Scores (% Proficient)
10-14%
45%
Student-Teacher Ratio
16:1
15:1
American Indian
2%
1%
Asian
n/a
3%
Hispanic
77%
36%
Black
6%
5%
White
11%
50%
Hawaiian
1%
n/a
Two or more races
3%
5%
All Ethnic Groups
Eligible for Free Lunch
75%
39%
Eligible for Reduced Lunch
8%
6%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CO Dept. of Education
School Notes
- School Mascot: Lynxes
Frequently Asked Questions
What is Lumberg Elementary School's ranking?
Lumberg Elementary School is ranked #1725 out of 1,748 schools, which ranks it among the bottom 50% of public schools in Colorado.
What schools are Lumberg Elementary School often compared to?
Lumberg Elementary Schoolis often viewed alongside schools like Edgewater Elementary 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 33% CO state average), while 10-14% of students have achieved reading proficiency (compared to the 45% CO state average).
How many students attend Lumberg Elementary School?
532 students attend Lumberg Elementary School.
What is the racial composition of the student body?
77% of Lumberg Elementary School students are Hispanic, 11% of students are White, 6% of students are Black, 3% of students are Two or more races, 2% of students are American Indian, and 1% of students are Hawaiian.
What is the student-teacher ratio of Lumberg Elementary School?
Lumberg Elementary School has a student ration of 16:1, which is higher than the Colorado state average of 15:1.
What grades does Lumberg Elementary School offer ?
Lumberg Elementary School offers enrollment in grades Prekindergarten-6 (No virtual instruction).
What school district is Lumberg Elementary School part of?
Lumberg Elementary School is part of Jefferson County School District No. R-1.
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