Colby High School is a public secondary school in Colby, Kansas, United States. It is located at 1890 S. Franklin Avenue, and operated by Colby USD 315 school district. It enrolls approximately 300 students every year. The current principal is Ryan Muhlig.
Serving 296 students in grades 9-12, Colby Senior High School ranks in the bottom 50% of all schools in Kansas for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 6-9% (which is lower than the Kansas state average of 31%). The percentage of students achieving proficiency in reading/language arts is 11-19% (which is lower than the Kansas state average of 32%).
The student-teacher ratio of 13:1 is equal to the Kansas state level of 13:1.
Minority enrollment is 19% of the student body (majority Hispanic), which is lower than the Kansas state average of 40% (majority Hispanic).
Quick Facts (2026-27)
- Grades: 9-12
- Enrollment: 296 students
- Student-Teacher Ratio: 13:1
- Minority Enrollment: 19%
- Graduation Rate: 90-94% (Top 20% in KS)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 6-9% (Btm 50%)
- Reading Proficiency: 11-19% (Btm 50%)
- Science Proficiency: 30-34% (Btm 50%)
- Attendance Zone: Colby Senior High's attendance zone covers the entire school district, encompassing approximately 469.6 square miles around Colby, KS. The typical drive to the school from the farthest edges of the zone ranges from 20 to 30 minutes, with an average distance of 12.1 miles to the zone boundary.
- Source: National Center for Education Statistics (NCES), KS Dept. of Education
Top Rankings
Colby Senior High School ranks among the top 20% of public schools in Kansas for:
Category
Attribute
Graduation Rate
School Overview
Colby Senior High School's student population of 296 students has grown by 17% over five school years.
The teacher population of 22 teachers has grown by 29% over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
296 students
Total Classroom Teachers
22 teachers
Year Founded
1890
School Calendar
School Rankings
Colby Senior High School ranks within the bottom 50% of all 1,269 schools in Kansas (based off of combined math and reading proficiency testing data).
The diversity score of Colby Senior High School is 0.32, which is less than the diversity score at state average of 0.58. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1211 out of 1269 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
6-9%
31%
Reading/Language Arts Test Scores (% Proficient)
11-19%
32%
Science Test Scores (% Proficient)
30-34%
31%
Student-Teacher Ratio
13:1
13:1
Asian
1%
3%
Hispanic
15%
23%
White
81%
60%
Two or more races
3%
6%
All Ethnic Groups
Graduation Rate
90-94%
88%
Chronically Absent Students
(22-23)23%
24.2%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
27%
41%
Eligible for Reduced Lunch
3%
8%
School Statewide Testing
School District Name
Sports
Colors
Black, Orange
School Mascot
Eagle
Source: National Center for Education Statistics (NCES), KS Dept. of Education
Frequently Asked Questions
What is Colby Senior High School's ranking?
Colby Senior High School is ranked #1211 out of 1,269 schools, which ranks it among the bottom 50% of public schools in Kansas.
What percent of students have achieved state testing proficiency in math and reading?
6-9% of students have achieved math proficiency (compared to the 31% KS state average), while 11-19% of students have achieved reading proficiency (compared to the 32% KS state average).
What is the graduation rate of Colby Senior High School?
The graduation rate of Colby Senior High School is 90-94%, which is higher than the Kansas state average of 88%.
How many students attend Colby Senior High School?
296 students attend Colby Senior High School.
What is the racial composition of the student body?
81% of Colby Senior High School students are White, 15% of students are Hispanic, 3% of students are Two or more races, and 1% of students are Asian.
What is the student-teacher ratio of Colby Senior High School?
Colby Senior High School has a student ration of 13:1, which is equal to the Kansas state average of 13:1.
What grades does Colby Senior High School offer ?
Colby Senior High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Colby Senior High School part of?
Colby Senior High School is part of Colby School District.
School Reviews
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