Serving 1,770 students in grades 9-12, Centennial High School ranks in the top 30% 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 42% (which is equal to the Idaho state average of 42%). The percentage of students achieving proficiency in reading/language arts is 72% (which is higher than the Idaho state average of 55%).
The student:teacher ratio of 21:1 is higher than the Idaho state level of 17:1.
Minority enrollment is 25% of the student body (majority Hispanic), which is lower than the Idaho state average of 27% (majority Hispanic).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 1,770 students
- Student:Teacher Ratio: 21:1
- Minority Enrollment: 25%
- Graduation Rate: 85% (Top 50% in ID)
- Overall Testing Rank: Top 30%
- Math Proficiency: 42% (Top 50%)
- Reading Proficiency: 72% (Top 20%)
- Science Proficiency: 53% (Top 20%)
- Source: National Center for Education Statistics (NCES), ID Dept. of Education
Top Rankings
Centennial High School ranks among the top 20% of public schools in Idaho for:
Category
Attribute
Reading/Language Arts Proficiency
Science Proficiency
School Overview
Centennial High School's student population of 1,770 students has declined by 15% over five school years.
The teacher population of 86 teachers has declined by 8% over five school years.
Grades Offered
Grades 9-12
Total Students
1,770 students
Gender %
Total Classroom Teachers
86 teachers
Students by Grade
School Rankings
Centennial High School ranks within the top 30% of all 709 schools in Idaho (based off of combined math and reading proficiency testing data).
The diversity score of Centennial High School is 0.42, 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
#171 out of 709 schools
(Top 30%)
(Top 30%)
Math Test Scores (% Proficient)
42%
42%
Reading/Language Arts Test Scores (% Proficient)
72%
55%
Science Test Scores (% Proficient)
53%
41%
Student : Teacher Ratio
21:1
17:1
American Indian
n/a
1%
Asian
4%
1%
Hispanic
13%
20%
Black
4%
1%
White
75%
73%
Hawaiian
n/a
n/a
Two or more races
4%
4%
All Ethnic Groups
Graduation Rate
85%
80%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
19%
26%
Eligible for Reduced Lunch
5%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), ID Dept. of Education
Frequently Asked Questions
What is Centennial High School's ranking?
Centennial High School is ranked #171 out of 709 schools, which ranks it among the top 30% of public schools in Idaho.
What schools are Centennial High School often compared to?
Centennial High Schoolis often viewed alongside schools like Mountain View High School, Rocky Mountain High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
42% of students have achieved math proficiency (compared to the 42% ID state average), while 72% of students have achieved reading proficiency (compared to the 55% ID state average).
What is the graduation rate of Centennial High School?
The graduation rate of Centennial High School is 85%, which is higher than the Idaho state average of 80%.
How many students attend Centennial High School?
1,770 students attend Centennial High School.
What is the racial composition of the student body?
75% of Centennial High School students are White, 13% of students are Hispanic, 4% of students are Asian, 4% of students are Black, and 4% of students are Two or more races.
What is the student:teacher ratio of Centennial High School?
Centennial High School has a student ration of 21:1, which is higher than the Idaho state average of 17:1.
What grades does Centennial High School offer ?
Centennial High School offers enrollment in grades 9-12
What school district is Centennial High School part of?
Centennial High School is part of Joint School District No. 2.
In what neighborhood is Centennial High School located?
Centennial High School is located in the West Boise neighborhood of Boise, ID. There are 21 other public schools located in West Boise.
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