New Plymouth High School is the high school of New Plymouth, Idaho. It was built in 1986 after the previous high school building burned down in a fire on December 18, 1984. Originally, it was designed as a junior-senior high school, housing grades seven through twelve.
Serving 290 students in grades 9-12, New Plymouth 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 30-34% (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 18:1 is higher than the Idaho state level of 17:1.
Minority enrollment is 14% of the student body (majority Hispanic), which is lower than the Idaho state average of 27% (majority Hispanic).
Quick Facts (2025-26)
- Grades: 9-12
- Enrollment: 290 students
- Student-Teacher Ratio: 18:1
- Minority Enrollment: 14%
- Graduation Rate: 90-94% (Top 10% in ID)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 30-34% (Btm 50%)
- Reading Proficiency: 50-54% (Top 50%)
- Science Proficiency: 30-34% (Btm 50%)
- Source: National Center for Education Statistics (NCES), ID Dept. of Education
Top Rankings
New Plymouth High School ranks among the top 20% of public schools in Idaho for:
Category
Attribute
Graduation Rate
School Overview
New Plymouth High School's student population of 290 students has declined by 5% over five school years.
The teacher population of 16 teachers has declined by 5% over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
290 students
Gender %
Total Classroom Teachers
16 teachers
Last Day of School
Tue. May 26, 2026
School Motto
Not publicly listed
School Rankings
New Plymouth 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 New Plymouth High School is 0.25, which is less than the diversity score at state average of 0.43. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#410 out of 704 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
30-34%
41%
Reading/Language Arts Test Scores (% Proficient)
50-54%
55%
Science Test Scores (% Proficient)
30-34%
41%
Student-Teacher Ratio
18:1
17:1
American Indian
1%
1%
Asian
1%
1%
Hispanic
11%
20%
Black
n/a
1%
White
86%
73%
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
18%
26%
Eligible for Reduced Lunch
6%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), ID Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is New Plymouth High School's ranking?
New Plymouth High School is ranked #410 out of 704 schools, which ranks it among the bottom 50% of public schools in Idaho.
What schools are New Plymouth High School often compared to?
New Plymouth High Schoolis often viewed alongside schools like Payette High School, Fruitland High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
30-34% 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 New Plymouth High School?
The graduation rate of New Plymouth High School is 90-94%, which is higher than the Idaho state average of 80%.
How many students attend New Plymouth High School?
290 students attend New Plymouth High School.
What is the racial composition of the student body?
86% of New Plymouth High School students are White, 11% of students are Hispanic, 1% of students are American Indian, 1% of students are Asian, and 1% of students are Two or more races.
What is the student-teacher ratio of New Plymouth High School?
New Plymouth High School has a student ration of 18:1, which is higher than the Idaho state average of 17:1.
What grades does New Plymouth High School offer ?
New Plymouth High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is New Plymouth High School part of?
New Plymouth High School is part of New Plymouth School District.
School Calendar
View the New Plymouth High School below.
School Reviews
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