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A

Centennial High School

PublicHighGrades 9–12

12400 West McMillan Road, Boise, ID 83713 · (208) 855-4250 · Part of Meridian Joint School District 2

Boise City’s School Grade B+ better than 66% of Idaho school districts

Directions
Students
1,743
Students per teacher
20:1
Free or reduced lunch
30%
Setting
City
Grades
9–12
The gist

What stands out about Centennial High School

  • Its own letter, A: reading and math results near the top of Idaho’s public schools
  • Math proficiency 13 pts above the state
  • Reading / language arts 22 pts above the state
  • Larger classes: 20 students per teacher

Test scores

2020–21
Math proficiency53%
State average 39.6%
Reading / language arts76%
State average 54%

Its own letter, A, places these results among Idaho’s 671 public schools with results. Source: EDFacts via Urban Institute Education Data Portal (SY2020-21).

Location

Directions ↗

12400 West McMillan Road, Boise

Students

Enrollment by grade
Grade 9472
Grade 10414
Grade 11437
Grade 12420
Enrollment over time
1,861’20
1,946’21
1,931’22
1,770’23
1,743’24

Down 6.3% since 2020–21.

Who goes here
White 74%Hispanic 13%Two or more races 5%Black 4%Asian 4%American Indian/Alaska Native <1%Native Hawaiian/Pacific Islander <1%

As reported to NCES, share of students with a reported race or ethnicity.

Parents talk

Questions and answers about Centennial High School from Boise City families.

Other schools in Meridian Joint School District 2

The district →
Galileo STEM Academy
Elementary · Grades PK–8 · Eagle
A+
796 students22:1
Hillsdale Elementary
Elementary · Grades PK–5 · Meridian
A
769 students21:1
Pleasant View Elementary
Elementary · Grades PK–5 · Meridian
A
747 students22:1
Star Elementary School
Elementary · Grades PK–5 · Star
A−
727 students19:1
Pioneer School of the Arts
Elementary · Grades PK–5 · Boise
A+
658 students19:1
Eliza Hart Spalding STEM Academy
Elementary · Grades PK–5 · Boise
A
610 students18:1

School facts: U.S. Department of Education (NCES), 2024–2025 school year. Test scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). A school’s letter is our own summary of its reading and math results against Idaho’s other public schools; Boise City’s School Grade is built from its districts’ results. Map: © OpenStreetMap contributors.