Niwot High School is a public high school located in Niwot, Colorado. It is the International Baccalaureate high school of the St. Vrain Valley School District.
Serving 1,466 students in grades 9-12, Niwot High School ranks in the top 20% of all schools in Colorado for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is 53% (which is higher than the Colorado state average of 33%). The percentage of students achieving proficiency in reading/language arts is 71% (which is higher than the Colorado state average of 45%).
The student-teacher ratio of 23:1 is higher 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)
- Grades: 9-12
- Enrollment: 1,466 students
- Student-Teacher Ratio: 23:1
- Minority Enrollment: 37%
- Graduation Rate: 97% (Top 1% in CO)
- Overall Testing Rank: Top 20%
- Math Proficiency: 53% (Top 20%)
- Reading Proficiency: 71% (Top 10%)
- Science Proficiency: 52% (Top 10%)
- Source: National Center for Education Statistics (NCES), CO Dept. of Education
Top Rankings
Niwot High School ranks among the top 20% of public schools in Colorado for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
Graduation Rate
School Overview
Niwot High School's student population of 1,466 students has grown by 22% over five school years.
The teacher population of 63 teachers has grown by 28% over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
1,466 students
Gender %
Total Classroom Teachers
63 teachers
Year Founded
1972
School Calendar
Last Day of School
Mon. May 25, 2026
School Rankings
Niwot High School ranks within the top 20% of all 1,748 schools in Colorado (based off of combined math and reading proficiency testing data).
The diversity score of Niwot High 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
#189 out of 1748 schools
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
53%
33%
Reading/Language Arts Test Scores (% Proficient)
71%
45%
Science Test Scores (% Proficient)
(20-21)52%
29%
Student-Teacher Ratio
23:1
15:1
American Indian
n/a
1%
Asian
6%
3%
Hispanic
26%
36%
Black
1%
5%
White
63%
50%
Hawaiian
n/a
n/a
Two or more races
4%
5%
All Ethnic Groups
Graduation Rate
97%
82%
Eligible for Free Lunch
19%
39%
Eligible for Reduced Lunch
5%
6%
School Statewide Testing
School District Name
St. Vrain Valley School District No. Re1j
Source: National Center for Education Statistics (NCES), CO Dept. of Education
School Notes
- School Mascot: Cougars
Frequently Asked Questions
What is Niwot High School's ranking?
Niwot High School is ranked #189 out of 1,748 schools, which ranks it among the top 20% of public schools in Colorado.
What schools are Niwot High School often compared to?
Niwot High Schoolis often viewed alongside schools like Silver Creek High School, Fairview High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
53% of students have achieved math proficiency (compared to the 33% CO state average), while 71% of students have achieved reading proficiency (compared to the 45% CO state average).
What is the graduation rate of Niwot High School?
The graduation rate of Niwot High School is 97%, which is higher than the Colorado state average of 82%.
How many students attend Niwot High School?
1,466 students attend Niwot High School.
What is the racial composition of the student body?
63% of Niwot High School students are White, 26% of students are Hispanic, 6% of students are Asian, 4% of students are Two or more races, and 1% of students are Black.
What is the student-teacher ratio of Niwot High School?
Niwot High School has a student ration of 23:1, which is higher than the Colorado state average of 15:1.
What grades does Niwot High School offer ?
Niwot High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Niwot High School part of?
Niwot High School is part of St. Vrain Valley School District No. Re1j.
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