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Average

#368 of 719 schools in ID

Centennial High School

High School · JOINT SCHOOL DISTRICT NO. 2

12400 WEST MCMILLAN ROAD, Boise, ID 83713

Enrollment

1,770

Student-Teacher

20.8:1

Score

6.4

Grades

9th – 12th

Data vintage2022-23

How this school compares

Idaho schools

#368 of 719

In Boise

#49 of 73

public schools

In district

#50 of 60

JOINT SCHOOL DISTRICT NO. 2

Academic performance

8.1 / 10

Excellent

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Centennial High School

6.4/10

High School in Boise · grades 9th – 12th. Start here, then compare fit against nearby and district options.

Joplin Elementary School

7.5/10

0.4 mi away. Use as a geographic alternative in the same move search.

Pioneer School of the Arts

8.8/10

0.6 mi away. Use as a geographic alternative in the same move search.

About Centennial High School

Centennial High School is a public high school in Boise, ID, part of JOINT SCHOOL DISTRICT NO. 2. Centennial High School serves approximately 1,770 students, and covers grades 9th-12th, and has a 20.8:1 student-teacher ratio. Centennial High School has a current MySchoolScout rating of 6.4 out of 10 and ranks #368 of 719 schools in ID.

Structured state assessment records for Centennial High School show 55% math proficiency (multi-year average, 2009-2022) and 74% reading/ELA proficiency (multi-year average, 2009-2022).

How it comparesOn par with district
  • This school 6.4 · Average
  • District avg 6.3
  • ID avg 6.1

What Parents Should Know

Centennial High School runs 20.8:1 students to teachers, above the national average. That often means bigger classes. Ask how the school supports kids who need extra help, and whether there are teaching assistants or small-group time.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress7.7Very Good25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data14
Annual Change-3 pts/yr
Data Period2009–2022
TrendDeclining
Academics8.1Excellent25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency42% (2022 EdFacts)
Reading/ELA Proficiency72% (2022 EdFacts)
Overall Proficiency57% (2022 EdFacts, Math+ELA)
Expected (poverty-adj.)52% (model expectation from 2022 EdFacts)
vs. Expected+5.4 pts
Adjusted Percentile71th
College Readiness5.9Average30%
Graduation rates, AP course participation, and IB availability.
View breakdown
4-Year Graduation Rate89%
AP Participation19.2%
IB ProgramNo
Resources & Environment3.4Needs Improvement20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio20.8:1
Per-Pupil Spending$9,276
Chronic Absenteeism21.9%

Centennial High School — Students at Centennial High School score 57% proficient, which is above what's typical for similar communities (expected: 52%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

23.4%

Students qualifying for federal meal assistance

Test Scores ID EDFACTS (2021-22)

Math Proficiency 55.0% (multi-year average, 2009-2022)
School
State
N/A
ELA Proficiency 74.3% (multi-year average, 2009-2022)
School
State
N/A

Based on 28 test records from ID state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2009
Math
81%
ELA
90%
2010
Math
86%
ELA
89%
2011
Math
80%
ELA
91%
2012
Math
75%
ELA
88%
2013
Math
64.5%
ELA
74.5%
2014
Math
45%
ELA
72%
2015
Math
43%
ELA
66%
2016
Math
45%
ELA
66%
2017
Math
38%
ELA
55%
2018
Math
32%
ELA
62%
2019
Math
32%
ELA
62%
2020*
Math
53%
ELA
76%
2021*
Math
53%
ELA
76%
2022
Math
42%
ELA
72%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 7.7/10.

How Centennial High School Compares

See how Centennial High School performs across key quality dimensions compared to state benchmarks.

Overall Score
6.4/10
49th percentile in ID
Academic
8.1/10
Excellent
Growth
7.7/10
Very Good
Environment
3.4/10
Needs Improvement
AP Courses
2
State avg: 2.1
Sports
23
10 boys' · 13 girls'
Advanced STEM
5/5
Subjects offered
Gifted & Talented
Yes
Program available

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
23%
Teaching Staff
21:1 student-teacher ratio
85 teachers
Chronic Absenteeism
Students missing 15+ days per year (SY 2022-23)
21.9%

Programs & Offerings

AP/IB Programs2 AP courses offered
19.2% participation·State avg: 2.1 AP courses·CRDC 2021-22
Athletics23sports offered
10 boys'·13 girls'·48 teams (incl. JV)·CRDC 2021-22
Advanced STEM Courses5 of 5 advanced subjects offered
Algebra II, Advanced Math, Calculus, Chemistry, Physics·CRDC 2021-22
Gifted & Talented Program Available
This school offers a gifted and talented program for qualifying students. · CRDC 2021-22

Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more

Location

12400 WEST MCMILLAN ROAD, Boise, ID 83713

Nearby Alternatives

Families considering Centennial High School may also want to explore other high schools in the area. MERIDIAN MEDICAL ARTS CHARTER (rated 9.3/10, 1.9 miles away, in nearby Meridian), which scores notably higher. Another option is MERIDIAN TECHNICAL CHARTER HIGH SCHOOL (rated 9.0/10, 2.0 miles away, in nearby Meridian), which scores notably higher. Additionally, CENTRAL ACADEMY HIGH SCHOOL (rated 5.6/10, 2.0 miles away, in nearby Meridian), with a comparable rating. For more schools in Boise, see our Boise schools guide .

Nearby Schools

20 within 2.0 mi
School Distance Rating
JOPLIN ELEMENTARY SCHOOL Boise 0.4 mi 7.5
PIONEER SCHOOL OF THE ARTS Boise 0.6 mi 8.8
iSUCCEED VIRTUAL HIGH SCHOOL Boise 0.7 mi 4.3
iSucceed Academy Boise 0.7 mi 3.5
IDAHO CONNECTS ONLINE ALTERNATIVE SCHOOL Boise 0.9 mi 5.1
CECIL D ANDRUS ELEMENTARY Boise 0.8 mi 8.9
FRONTIER ELEMENTARY SCHOOL Boise 0.9 mi 9.1
LOWELL SCOTT MIDDLE SCHOOL Boise 0.7 mi 7.8
USTICK ELEMENTARY SCHOOL Boise 1.2 mi 6.9
McMillan Elementary Boise 1.0 mi 8.1
PETRA CHRISTIAN ACADEMY Boise 1.5 mi 6.9
RIVER VALLEY ELEMENTARY SCHOOL Meridian 1.9 mi 7.8
SUMMERWIND STEM ACADEMY Boise 1.7 mi 8.6
DISCOVERY ELEMENTARY SCHOOL Meridian 1.7 mi 8.7
PATHWAYS MIDDLE SCHOOL Meridian 1.9 mi 6.5
BOISE VALLEY ADVENTIST SCHOOL Boise 2.5 mi 6.2
MERIDIAN MEDICAL ARTS CHARTER Meridian 1.9 mi 9.3
MERIDIAN TECHNICAL CHARTER HIGH SCHOOL Meridian 2.0 mi 9.0
LEWIS & CLARK MIDDLE SCHOOL Meridian 2.7 mi 6.8
CENTRAL ACADEMY HIGH SCHOOL Meridian 2.0 mi 5.6

Neighborhood Census ACS (2019-2023)

Census data for ZIP 83713 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$86,419

Median Home Value

$421,600

Median Rent

$1,716/mo

Population

29,992

College Educated

42.4%

Homeownership

77.7%

Avg Commute

20.6 min

Poverty Rate

8.2%

Median Age

40

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
KUNA HIGH SCHOOL Kuna, ID 6.4
BONNEVILLE HIGH SCHOOL Idaho Falls, ID 6.3
BLACKFOOT HIGH SCHOOL Blackfoot, ID 6.6
CAPITAL SENIOR HIGH SCHOOL Boise, ID 6.6
ROCKY MOUNTAIN HIGH SCHOOL Meridian, ID 6.6
MERIDIAN HIGH SCHOOL Meridian, ID 6.2

Frequently Asked Questions

Common questions about Centennial High School

What grades does Centennial High School serve?

Centennial High School serves students in grades 9th through 12th.

How many students attend Centennial High School?

Centennial High School has an enrollment of approximately 1,770 students.

What is the student-teacher ratio at Centennial High School?

The student-teacher ratio at Centennial High School is 20.8:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Centennial High School rank in ID?

Centennial High School ranks #368 of 719 schools in ID.

What is Centennial High School's MySchoolScout rating?

Centennial High School has a current MySchoolScout rating of 6.4 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Centennial High School?

Based on loaded state assessment records, Centennial High School has 55% math proficiency (multi-year average, 2009-2022) and 74% reading/ELA proficiency (multi-year average, 2009-2022).

Is Centennial High School a charter school?

No, Centennial High School is not a charter school. It is a traditional public school operated by the local school district.

Is Centennial High School a Title I school?

No, Centennial High School is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Centennial High School?

23.4% of students at Centennial High School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

Walk Score
14 Car-Dependent
Transit Score
17 Minimal Transit
Bike Score
53 Bikeable

Powered by Walk Score

Quick Facts NCES CCD (SY 2022-23)

Grades
9th – 12th
Enrollment
1,770
Student-Teacher Ratio
20.8:1
Teachers (FTE)
85
Free/Reduced Lunch
23.4%
Type
regular
Setting
Midsize City
County
Ada County
Chronic Absenteeism (SY 2022-23)
21.9%
4-Year Graduation
89.0%

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