Shelley High School is an institution for public education in the town of Shelley, Idaho, United States. It is the city's only high school, and is nicknamed "the spud cellar" because of its unique mascot and resemblance to a potato cellar. The mascot, King Russet, is a Russet Burbank potato with a scepter and crown.
Serving 800 students in grades 9-12, Shelley Senior 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 20-24% (which is lower than the Idaho state average of 41%). The percentage of students achieving proficiency in reading/language arts is 50-54% (which is lower than the Idaho state average of 55%).
The student-teacher ratio of 22:1 is higher than the Idaho state level of 17:1.
Minority enrollment is 17% 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: 800 students
- Student-Teacher Ratio: 22:1
- Minority Enrollment: 17%
- Graduation Rate: 90-94% (Top 10% in ID)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 20-24% (Btm 50%)
- Reading Proficiency: 50-54% (Top 50%)
- Science Proficiency: 35-39% (Btm 50%)
- Source: National Center for Education Statistics (NCES), ID Dept. of Education
Top Rankings
Shelley Senior High School ranks among the top 20% of public schools in Idaho for:
Category
Attribute
Graduation Rate
School Overview
Shelley Senior High School's student population of 800 students has grown by 19% over five school years.
The teacher population of 36 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
800 students
Total Classroom Teachers
36 teachers
School Calendar
School Rankings
Shelley Senior 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 Shelley Senior High School is 0.29, 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
#495 out of 704 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
20-24%
41%
Reading/Language Arts Test Scores (% Proficient)
50-54%
55%
Science Test Scores (% Proficient)
35-39%
41%
Student-Teacher Ratio
22:1
17:1
American Indian
n/a
1%
Asian
1%
1%
Hispanic
14%
21%
Black
1%
1%
White
83%
72%
Hawaiian
1%
n/a
Two or more races
n/a
4%
All Ethnic Groups
Graduation Rate
90-94%
80%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
27%
32%
Eligible for Reduced Lunch
8%
7%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), ID Dept. of Education
School Notes
- School Mascot: King Russet
Frequently Asked Questions
What is Shelley Senior High School's ranking?
Shelley Senior High School is ranked #495 out of 704 schools, which ranks it among the bottom 50% of public schools in Idaho.
What schools are Shelley Senior High School often compared to?
Shelley Senior High Schoolis often viewed alongside schools like Idaho Falls Senior High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
20-24% of students have achieved math proficiency (compared to the 41% ID state average), while 50-54% of students have achieved reading proficiency (compared to the 55% ID state average).
What is the graduation rate of Shelley Senior High School?
The graduation rate of Shelley Senior High School is 90-94%, which is higher than the Idaho state average of 80%.
How many students attend Shelley Senior High School?
800 students attend Shelley Senior High School.
What is the racial composition of the student body?
83% of Shelley Senior High School students are White, 14% of students are Hispanic, 1% of students are Asian, 1% of students are Black, and 1% of students are Hawaiian.
What is the student-teacher ratio of Shelley Senior High School?
Shelley Senior High School has a student ration of 22:1, which is higher than the Idaho state average of 17:1.
What grades does Shelley Senior High School offer ?
Shelley Senior High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Shelley Senior High School part of?
Shelley Senior High School is part of Shelley Joint School District.
School Reviews
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