Serving 209 students in grades Prekindergarten-5, Sanborn Elementary School 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 35-39% (which is higher than the Colorado state average of 33%). The percentage of students achieving proficiency in reading/language arts is 35-39% (which is lower than the Colorado state average of 45%).
The student-teacher ratio of 12:1 is lower than the Colorado state level of 15:1.
Minority enrollment is 50% of the student body (majority Hispanic), which is lower than the Colorado state average of 51% (majority Hispanic).
Quick Facts (2026-27)
- Grades: Prekindergarten-5
- Enrollment: 209 students
- Student-Teacher Ratio: 12:1
- Minority Enrollment: 50%
- Overall Testing Rank: Top 50% in CO
- Math Proficiency: 35-39% (Top 50%)
- Reading Proficiency: 35-39% (Btm 50%)
- Attendance Zone: Sanborn Elementary School serves the northeast part of Longmont, CO, covering an area of approximately 0.6 square miles. Families can expect a typical drive of 5-10 minutes to reach the school, with the furthest edge of the attendance zone located about a mile away.
- Source: National Center for Education Statistics (NCES), CO Dept. of Education
School Overview
Sanborn Elementary School's student population of 209 students has declined by 32% over five school years.
The teacher population of 17 teachers has declined by 15% over five school years.
Grades Offered
Grades Prekindergarten-5
(No virtual instruction)
(No virtual instruction)
Total Students
209 students
Total Classroom Teachers
17 teachers
School Calendar
Campus Size
10 acres
School Rankings
Sanborn Elementary School 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 Sanborn Elementary School is 0.55, 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
#820 out of 1748 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
35-39%
33%
Reading/Language Arts Test Scores (% Proficient)
35-39%
45%
Student-Teacher Ratio
12:1
15:1
American Indian
1%
1%
Asian
1%
3%
Hispanic
45%
37%
Black
n/a
5%
White
50%
49%
Hawaiian
n/a
n/a
Two or more races
3%
5%
All Ethnic Groups
Chronically Absent Students
(22-23)28.7%
33.6%
Eligible for Free Lunch
57%
39%
Eligible for Reduced Lunch
5%
5%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CO Dept. of Education
Frequently Asked Questions
What is Sanborn Elementary School's ranking?
Sanborn Elementary School is ranked #820 out of 1,748 schools, which ranks it among the top 50% of public schools in Colorado.
What schools are Sanborn Elementary School often compared to?
Sanborn Elementary Schoolis often viewed alongside schools like Longmont Estates Elementary School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
35-39% of students have achieved math proficiency (compared to the 33% CO state average), while 35-39% of students have achieved reading proficiency (compared to the 45% CO state average).
How many students attend Sanborn Elementary School?
209 students attend Sanborn Elementary School.
What is the racial composition of the student body?
50% of Sanborn Elementary School students are White, 45% of students are Hispanic, 3% of students are Two or more races, 1% of students are American Indian, and 1% of students are Asian.
What is the student-teacher ratio of Sanborn Elementary School?
Sanborn Elementary School has a student ration of 12:1, which is lower than the Colorado state average of 15:1.
What grades does Sanborn Elementary School offer ?
Sanborn Elementary School offers enrollment in grades Prekindergarten-5 (No virtual instruction).
What school district is Sanborn Elementary School part of?
Sanborn Elementary School is part of St. Vrain Valley School District No. Re1j.
School Reviews
Review Sanborn Elementary School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles
What Makes an Elementary School Feel Supportive?
Discover what makes one elementary school more supportive than another, from teacher relationships and family communication to classroom attention, belonging, student services, leadership, routines, and responsive academic support systems.
Second School Tour: Questions Parents Forget to Ask
A second school tour can reveal what families miss initially. Learn which questions to ask about teachers, support, schedules, safety, communication, programs, and everyday student life before enrolling.
Attendance Policies Are Changing: Parent Guide 2026
Attendance policies are changing across public schools. Learn what parents should examine about absences, tardiness, interventions, flexibility, communication, and student support before choosing a school for their child today.
