Serving 965 students in grades Kindergarten-12, Thomas Maclaren State Charter School ranks in the top 30% of all schools in Colorado for overall test scores (math proficiency is top 30%, and reading proficiency is top 30%).
The percentage of students achieving proficiency in math is 48% (which is higher than the Colorado state average of 33%). The percentage of students achieving proficiency in reading/language arts is 58% (which is higher than the Colorado state average of 45%).
The student-teacher ratio of 13:1 is lower than the Colorado state level of 15:1.
Minority enrollment is 37% of the student body (majority Hispanic), which is lower than the Colorado state average of 50% (majority Hispanic).
Quick Facts (2026)
- School Type: Charter School
- Grades: Kindergarten-12
- Enrollment: 965 students
- Student-Teacher Ratio: 13:1
- Minority Enrollment: 37%
- Graduation Rate: ≥90% (Top 30% in CO)
- Overall Testing Rank: Top 30%
- Math Proficiency: 48% (Top 30%)
- Reading Proficiency: 58% (Top 30%)
- Science Proficiency: 55-59% (Top 5%)
- Source: National Center for Education Statistics (NCES), CO Dept. of Education
Top Rankings
Thomas Maclaren State Charter School ranks among the top 20% of public schools in Colorado for:
Category
Attribute
Science Proficiency
School Overview
Thomas Maclaren State Charter School's student population of 965 students has grown by 5% over five school years.
The teacher population of 75 teachers has grown by 10% over five school years.
School Type
Grades Offered
Grades Kindergarten-12
(No virtual instruction)
(No virtual instruction)
Total Students
965 students
Gender %
Total Classroom Teachers
75 teachers
Year Founded
2009
School Rankings
Thomas Maclaren State Charter School ranks within the top 30% of all 1,748 schools in Colorado (based off of combined math and reading proficiency testing data).
The diversity score of Thomas Maclaren State Charter School is 0.54, 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
#360 out of 1748 schools
(Top 30%)
(Top 30%)
Math Test Scores (% Proficient)
48%
33%
Reading/Language Arts Test Scores (% Proficient)
58%
45%
Science Test Scores (% Proficient)
(20-21)55-59%
29%
Student-Teacher Ratio
13:1
15:1
American Indian
n/a
1%
Asian
2%
3%
Hispanic
24%
36%
Black
2%
5%
White
63%
50%
Hawaiian
n/a
n/a
Two or more races
9%
5%
All Ethnic Groups
Graduation Rate
≥90%
82%
Eligible for Free Lunch
30%
39%
Eligible for Reduced Lunch
6%
6%
School Statewide Testing
School District Name
Extracurriculars
Total ExtracurricularsTotal Extra-curric.
20 extracurriculars
ExtracurricularsExtra-curric.
Club or Organization:
Arts and Music Programs:
Recreational Athletic Programs:
American Sign Language ClubBall Room Dancing Club
Chess ClubJournalism Club
MatchwitsMiddle School Forensics
Mock TrialReading Club
Robotics ClubRubik's Club
Russian ClubScience Olympiad
Service ClubYearbook Club
Arts and Music Programs:
Art ClubBarbershop Quartet
Bluegrass ClubHigh School Choir
Recreational Athletic Programs:
Mountain Biking ClubRunning Club
Source: National Center for Education Statistics (NCES), CO Dept. of Education
School Notes
- Thomas MacLaren School is an award-winning K-12th grade charter public school.Thomas MacLaren School opened its doors in the fall of 2009. From our humble beginnings renting space in a local church for 77 6th-9th grade students, we are now in our fifth year on our own campus which accommodates the 2018 expansion of our school from 6-12 to K-12. Our student body numbers over 900 students this year. Over the past twelve years, MacLaren has racked up impressive awards (School of Distinction, John Irwin Award of Excellence, High School Growth Award) and test scores (Class of 2017 state record-breaking ACT composite average of 29.8) while daily undertaking the task of developing young men and women who are fully human and fully awake to the world.We expect each student to master history, mathematics, science, literature, Latin and English, as well as to gain familiarity with at least one other language and fine arts. Our Lower School (K-5) curriculum, full of rigorandwonder, prepares younger students to be able to plumb the depths of the Upper School (6-12) curriculum eagerly and confidently.
Frequently Asked Questions
What is Thomas Maclaren State Charter School's ranking?
Thomas Maclaren State Charter School is ranked #360 out of 1,748 schools, which ranks it among the top 30% of public schools in Colorado.
What schools are Thomas Maclaren State Charter School often compared to?
Thomas Maclaren State Charter Schoolis often viewed alongside schools like James Irwin Elementary School - Astrozon by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
48% of students have achieved math proficiency (compared to the 33% CO state average), while 58% of students have achieved reading proficiency (compared to the 45% CO state average).
What is the graduation rate of Thomas Maclaren State Charter School?
The graduation rate of Thomas Maclaren State Charter School is 90%, which is higher than the Colorado state average of 82%.
How many students attend Thomas Maclaren State Charter School?
965 students attend Thomas Maclaren State Charter School.
What is the racial composition of the student body?
63% of Thomas Maclaren State Charter School students are White, 24% of students are Hispanic, 9% of students are Two or more races, 2% of students are Asian, and 2% of students are Black.
What is the student-teacher ratio of Thomas Maclaren State Charter School?
Thomas Maclaren State Charter School has a student ration of 13:1, which is lower than the Colorado state average of 15:1.
What grades does Thomas Maclaren State Charter School offer ?
Thomas Maclaren State Charter School offers enrollment in grades Kindergarten-12 (No virtual instruction).
What school district is Thomas Maclaren State Charter School part of?
Thomas Maclaren State Charter School is part of State Charter School Institute School District.
School Calendar
View the Thomas Maclaren State Charter School yearly calendar below. Note key dates such as:
Event
Date
Upper School Last Day of Classes; All Student Early Release
May 19, 2026 (Tuesday)
Lower School Last Day of Classes
May 22, 2026 (Friday)
Memorial Day; School Closed
May 25, 2026 (Monday)
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