Serving 106 students in grades 9-12, Tammany High School ranks in the bottom 50% of all schools in Idaho for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is ≤10% (which is lower than the Idaho state average of 41%). The percentage of students achieving proficiency in reading/language arts is ≤20% (which is lower than the Idaho state average of 55%).
The student-teacher ratio of 15:1 is lower than the Idaho state level of 17:1.
Minority enrollment is 18% of the student body (majority Hispanic), which is lower than the Idaho state average of 28% (majority Hispanic).
Quick Facts (2026)
- School Type: Alternative school
- Grades: 9-12
- Enrollment: 106 students
- Student-Teacher Ratio: 15:1
- Minority Enrollment: 18%
- Graduation Rate: 60-69% (Btm 50% in ID)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: ≤10% (Btm 50%)
- Reading Proficiency: ≤20% (Btm 50%)
- Science Proficiency: ≤10% (Btm 50%)
- Source: National Center for Education Statistics (NCES), ID Dept. of Education
Top Rankings
Tammany High School ranks among the top 20% of public schools in Idaho for:
Category
Attribute
Community Size
Student Attention
School Overview
Tammany High School's student population of 106 students has grown by 35% over five school years.
The teacher population of 7 teachers has stayed relatively flat over five school years.
School Type
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
106 students
Total Classroom Teachers
7 teachers
Year Founded
1905
School Motto
In collaboration with our community, we will empower students by providing an engaging and equitable education in a safe environment every day
School Rankings
Tammany High School ranks within the bottom 50% of all 704 schools in Idaho (based off of combined math and reading proficiency testing data).
The diversity score of Tammany High School is 0.32, 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
#682 out of 704 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
≤10%
41%
Reading/Language Arts Test Scores (% Proficient)
≤20%
55%
Science Test Scores (% Proficient)
≤10%
41%
Student-Teacher Ratio
15:1
17:1
American Indian
3%
1%
Asian
n/a
1%
Hispanic
8%
21%
Black
n/a
1%
White
82%
72%
Hawaiian
n/a
n/a
Two or more races
7%
4%
All Ethnic Groups
Graduation Rate
60-69%
80%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
44%
32%
Eligible for Reduced Lunch
4%
7%
School Statewide Testing
School District Name
Lewiston Independent School District
Source: National Center for Education Statistics (NCES), ID Dept. of Education
Frequently Asked Questions
What is Tammany High School's ranking?
Tammany High School is ranked #682 out of 704 schools, which ranks it among the bottom 50% of public schools in Idaho.
What percent of students have achieved state testing proficiency in math and reading?
≤10% of students have achieved math proficiency (compared to the 41% ID state average), while ≤20% of students have achieved reading proficiency (compared to the 55% ID state average).
What is the graduation rate of Tammany High School?
The graduation rate of Tammany High School is 60-69%, which is lower than the Idaho state average of 80%.
How many students attend Tammany High School?
106 students attend Tammany High School.
What is the racial composition of the student body?
82% of Tammany High School students are White, 8% of students are Hispanic, 7% of students are Two or more races, and 3% of students are American Indian.
What is the student-teacher ratio of Tammany High School?
Tammany High School has a student ration of 15:1, which is lower than the Idaho state average of 17:1.
What grades does Tammany High School offer ?
Tammany High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Tammany High School part of?
Tammany High School is part of Lewiston Independent School District.
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