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#368 of 719 schools in ID

Centennial High School

High School · Joint School District No. 2 · Boise, ID

A Joint School District No. 2 high school where students score 5 points above what's typical for similar communities.

12400 WEST MCMILLAN ROAD, Boise, ID 83713

  • Math 42% proficient (2022)
  • Reading 72% proficient (2022)
  • 89.0% 4-year graduation

Academics

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, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio20.8:1
District spending per student$9,276
Chronic Absenteeism21.9%

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

How we calculate scores →

2022 EdFacts proficiency

Most recent published year. School vs. ID average.

Math Proficiency42%(2022 EdFacts)
School
State
Not reported(2022 EdFacts)
ELA Proficiency72%(2022 EdFacts)
School
State
Not reported(2022 EdFacts)

Trend

↑ Recovering

Proficiency declined earlier in the 14-year record (2009–2022), then recovered 10 points since 2019, reaching 57% in 2022.

Show all 14 years
2009
Math
81%
ELA
90%
2010
Math
86%
ELA
89%
2011
Math
80%
ELA
91%
2012
Math
75%
ELA
88%
2013
Math
65%
ELA
75%
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%

Multi-year averages used by the rating model: math 55% (multi-year average, 2009-2022) · reading/ELA 74% (multi-year average, 2009-2022)

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

Based on 28 test records from ID state assessments and EdFacts (NCES).

Equity & diversity

Shown separately, not included in the overall score

Free/reduced lunch

23.4%

Students qualifying for federal meal assistance

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

See how we rate

The neighborhood

Where Centennial High School sits, and what the surrounding area looks like.

Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries.

Getting around & local context

  • Walk 14Car-Dependent
  • Transit 17Minimal Transit
  • Bike 53Bikeable
  • City Safety: Elevated1,416/100K

Powered byWalk Score

FBI Uniform Crime Reporting · 2024 · city context (Boise), not school-level safety or attendance eligibility. Source details

Source period: 2024. Freshness not available.

Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)

Median income

$86,419

Median home value

$421,600

Median rent

$1,716/mo

College educated

42.4%

Homeownership

77.7%

Poverty rate

8.2%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 83713; this is area context, not an attendance boundary.

Programs & students

Programs & Offerings

AP/IB Programs2AP courses offered
19.2% participation·State avg: 2.1 AP courses·CRDC via Urban Institute · SY 2021–22
Athletics23sports offered
10 boys'·13 girls'·48 teams (incl. JV)·CRDC via Urban Institute · SY 2021–22
Advanced STEM Courses5of 5 advanced subjects offered
Algebra II, Advanced Math, Calculus, Chemistry, Physics·CRDC via Urban Institute · SY 2021–22
Gifted & Talented ProgramAvailable
This school offers a gifted and talented program for qualifying students.·CRDC via Urban Institute · SY 2021–22

Compare nearby

Nearby same-level schools

4 from a 5-mile search; district fallback available

SchoolScoreGradesDistanceEnrollmentCompare
Isucceed AcademyCharter · enrollment unverified3.59–120.7 mi292Compare →
Isucceed Virtual High SchoolCharter · enrollment unverified4.37–120.7 mi932Compare →
Idaho Connects Online Alternative SchoolCharter · enrollment unverified5.16–120.9 mi171Compare →
Petra Christian AcademyPrivate · tuition6.9private1–101.5 mi39Compare →

Distance is proximity only; it is not attendance eligibility.

Charter · enrollment unverified: Potential charter option; enrollment requirements have not been verified.

Private · tuition: Potential private option; tuition and admission requirements have not been verified.

Public and private scores come from different models and are shown side by side, not blended into one ranking.

Joint School District No. 2

Schools in district
61
Rank in district
#50 of 60
District spending per student
$9,276NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
5.9%Census SAIPE · 2024

Centennial High School is listed in JOINT SCHOOL DISTRICT NO. 2; a district label does not verify attendance for an address.

About Centennial High School

Centennial High School is a public high school in Boise, ID, part of Joint School District No. 2, serving approximately 1,770 students in grades 9th-12th with a 20.8:1 student-teacher ratio. It holds a MySchoolScout rating of 6.4 out of 10 and ranks #368 of 719 schools in ID. State assessment records show 55% math proficiency (multi-year average, 2009-2022) and 74% reading/ELA proficiency (multi-year average, 2009-2022).

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.

School factsNCES Common Core of Data (CCD) (SY 2023–24)

Grades
9th – 12th
Enrollment
1,770
Student-Teacher Ratio
20.8:1
Teachers (FTE)
85
Type
regular
Setting
Midsize City
County
Ada County
Chronic Absenteeism (SY 2022-23)
21.9%
4-Year Graduation
89.0%
Area population (ZIP 83713)
29,992
Area average commute
20.6 min
Area median age
40
About this school's data

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2022 EdFacts · Low confidence
  • Older source: 2022 EdFacts. Use as historical context.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2022 EdFacts · Low confidence
  • Older source: 2022 EdFacts. Use as historical context.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
NCES EdFacts · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 83713; this does not measure the attendance area.
Programs (AP/IB, athletics, gifted)
CRDC via Urban Institute · SY 2021–22 · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: SY 2021–22. A newer release may be available.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2022; directory SY 2023–24

About our data · How we calculate scores

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