Firth High School is a four-year public secondary school located in Firth, Idaho. The school colors are royal blue, white, and black. Firth has successful basketball, football, cross country, and track programs. The boys varsity basketball team won four straight Idaho state class 2A championships from 2007 to 2010.
Serving 305 students in grades 9-12, Firth High School ranks in the top 20% of all schools in Idaho for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 45-49% (which is higher than the Idaho state average of 41%). The percentage of students achieving proficiency in reading/language arts is 70-74% (which is higher than the Idaho state average of 55%).
The student-teacher ratio of 19:1 is higher than the Idaho state level of 17:1.
Minority enrollment is 16% of the student body (majority Hispanic), which is lower than the Idaho state average of 28% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 305 students
- Student-Teacher Ratio: 19:1
- Minority Enrollment: 16%
- Graduation Rate: 90-94% (Top 10% in ID)
- Overall Testing Rank: Top 20%
- Math Proficiency: 45-49% (Top 50%)
- Reading Proficiency: 70-74% (Top 20%)
- Science Proficiency: 25-29% (Btm 50%)
- Source: National Center for Education Statistics (NCES), ID Dept. of Education
Top Rankings
Firth High School ranks among the top 20% of public schools in Idaho for:
Category
Attribute
Overall Rank
Most improved public schools
Reading/Language Arts Proficiency
Graduation Rate
School Overview
Firth High School's student population of 305 students has grown by 24% over five school years.
The teacher population of 16 teachers has grown by 14% over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
305 students
Total Classroom Teachers
16 teachers
Colors
Black, Royal blue
School Calendar
School Rankings
Firth High School ranks within the top 20% of all 704 schools in Idaho (based off of combined math and reading proficiency testing data).
The diversity score of Firth High School is 0.28, which is less than the diversity score at state average of 0.44. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#138 out of 704 schools
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
45-49%
41%
Reading/Language Arts Test Scores (% Proficient)
70-74%
55%
Science Test Scores (% Proficient)
25-29%
41%
Student-Teacher Ratio
19:1
17:1
American Indian
1%
1%
Asian
n/a
1%
Hispanic
13%
21%
Black
1%
1%
White
84%
72%
Hawaiian
n/a
n/a
Two or more races
1%
4%
All Ethnic Groups
Graduation Rate
90-94%
80%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
21%
32%
Eligible for Reduced Lunch
7%
7%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), ID Dept. of Education
School Notes
- School Mascot: Cougars
Frequently Asked Questions
What is Firth High School's ranking?
Firth High School is ranked #138 out of 704 schools, which ranks it among the top 20% of public schools in Idaho.
What schools are Firth High School often compared to?
Firth High Schoolis often viewed alongside schools like Snake River High School, Blackfoot High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
45-49% of students have achieved math proficiency (compared to the 41% ID state average), while 70-74% of students have achieved reading proficiency (compared to the 55% ID state average).
What is the graduation rate of Firth High School?
The graduation rate of Firth High School is 90-94%, which is higher than the Idaho state average of 80%.
How many students attend Firth High School?
305 students attend Firth High School.
What is the racial composition of the student body?
84% of Firth High School students are White, 13% of students are Hispanic, 1% of students are American Indian, 1% of students are Black, and 1% of students are Two or more races.
What is the student-teacher ratio of Firth High School?
Firth High School has a student ration of 19:1, which is higher than the Idaho state average of 17:1.
What grades does Firth High School offer ?
Firth High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Firth High School part of?
Firth High School is part of Firth School District.
School Reviews
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