Centennial High School
Public high school, grades 9 to 12 · Boise, Idaho
Centennial High School in Boise, Idaho enrolled 1,743 students in 2024-25 with 85.7 full-time teachers, 20.3 students per teacher against the Idaho high-school median of 15.8. It was eligible for Title I in 2021-22 but ran no program. On the state tests, 72% of its students tested were proficient in reading in 2021-22 and 48% proficient in math in 2022-23 (Idaho: 54.8% and 40.6%). Its four-year graduation rate for the class of 2023 was 90% (Idaho: 81.1%).
NCES Common Core of Data 2024-25 · Civil Rights Data Collection 2021-22 · Title I status CCD 2021-22 · method
Enrollment fell 10% from 2022-23 to 2024-25; full-time teachers fell 6%
1,931 students in 2022-23, 1,770 students in 2023-24, 1,743 students in 2024-25. Full-time teachers went from 91.1 to 85.7.
The numbers as a table
| School year | Students | Teachers (FTE) | Per teacher |
|---|---|---|---|
| 2022-23 | 1,931 | 91.1 | 21.2 |
| 2023-24 | 1,770 | 85.5 | 20.7 |
| 2024-25 | 1,743 | 85.7 | 20.3 |
20.3 students per teacher, a higher ratio than 79 of every 100 Idaho high schools
Among the 196 Idaho high schools that reported teachers for 2024-25 the median is 15.8; the national median for high schools is 14.5. A ratio counts every teacher, so it is not the size of a class.
Source: NCES Common Core of Data membership and staff files, 2022-23, 2023-24, 2024-25; the comparison counts schools with a 2024-25 teacher count and a ratio from 3 to 99 (lower values are reporting errors).
15 AP courses and one counselor per 324 students in 2021-22
In the 2021-22 civil rights collection Centennial High School enrolled 1,953 students and had 6.0 counselors (full-time equivalent); it reported 38 out-of-school suspensions that year.
- Advanced Placement courses15
- Gifted and talented programYes
- Counselors (FTE)6.0, one per 324 of the 1,953 students enrolled in 2021-22
- Out-of-school suspensions38
- Chronically absent20.1% (2022-23)
Who attends
74.2% of students were White, 12.6% Hispanic, 4.5% Black in 2024-25.
- White74.2%
- Hispanic12.6%
- Black4.5%
- Two or more races4.5%
- Asian3.7%
- American Indian0.3%
- Pacific Islander0.1%
Source: U.S. Department of Education, Civil Rights Data Collection 2021-22; chronic absenteeism from EDFacts 2022-23; every count and the counselor ratio are for that school year. Who attends: NCES Common Core of Data 2024-25, membership by race and ethnicity.
State test results, 2021-22 and 2022-23
The students tested at Centennial High School scored proficient or above: 72% in reading in 2021-22 and 48% in math in 2022-23, against 54.8% in reading in 2021-22 and 40.6% in math in 2022-23 across Idaho. Each state writes its own test and sets its own proficiency bar, so compare these within Idaho, not across states. ED Data Express holds no district results after 2021-22, so the district column gives its 2021-22 figure.
| Subject and year | This school | Its district | Idaho |
|---|---|---|---|
| Reading and language arts, 2021-22 | 72% | 68% | 54.8% |
| Math, 2022-23 | 48% | 55% (2021-22) | 40.6% |
Source: U.S. Department of Education, EDFacts state assessment results 2021-22 and 2022-23, all students, from ED Data Express (2021-22 through the Data Rescue Project archive); for 2022-23 ED published math by school and reading only by state: ED shows school and district results as ranges (for example 20-24%) to protect small groups.
Graduation rate, class of 2023
90% of the 434 students in Centennial High School's class of 2023 graduated within four years, against 81.1% across Idaho. The four-year rate follows the students who started ninth grade in fall 2019, adjusted for those who moved in or out, and counts those who earned a regular diploma by 2023. Every state computes it the same way under federal law, though each sets its own diploma requirements.
| This school | Its district | Idaho | |
|---|---|---|---|
| Four-year graduation rate | 90% | 87% | 81.1% |
| Students in the class | 434 | 3,345 | 25,525 |
Source: U.S. Department of Education, EDFacts four-year adjusted-cohort graduation rates 2022-23, all students, from ED Data Express: ED shows school and district rates as ranges (for example 90-94%) and leaves out small classes.
High schools in Boise
14 public high schools in Boise report 2024-25 enrollment; Centennial High School is the largest.
| School | Students | Per teacher | Free lunch |
|---|---|---|---|
| Centennial High School | 1,743 | 20.3 | 25.3% |
| Boise Senior High School | 1,512 | 18.5 | 17.0% |
| Borah Senior High School | 1,308 | 16.9 | 32.4% |
| Timberline High School | 1,307 | 17.7 | 13.6% |
| iSUCCEED VIRTUAL HIGH SCHOOL | 1,290 | 23.9 | not reported |
| Capital Senior High School | 1,170 | 16.0 | 29.3% |
| Frank Church High School | 381 | 8.9 | 79.0% |
| iSucceed Academy | 345 | 31.3 | not reported |
Source: NCES Common Core of Data 2024-25.
What to look at next about Centennial High School
- iSUCCEED VIRTUAL HIGH SCHOOLThe nearest public high school, 0.7 miles away: 1,290 students, 23.9 per teacher (2024-25).0.7 mi
- iSucceed AcademyThe next nearest public high school, 0.7 miles away: 345 students, 31.3 per teacher (2024-25).0.7 mi
- Compare Centennial High School with iSUCCEED VIRTUAL HIGH SCHOOLStudents, teachers, meals, test results and who attends, side by side.
- How much Joint School District No. 2 spends per student$9,276 per student on current operations in fiscal year 2022-23 (U.S. $16,260), with its revenue sources and teacher pay.$9,276
- The largest public schools in IdahoCentennial High School is the number 7 by size of 205 Idaho high schools open in 2024-25.#7 of 205
- Idaho schools by students per teacher20.3 students per teacher here against the Idaho median of 15.8 for high schools.20.3:1
- Find the school district for an addressA home's district, not its city, decides which public schools it can enroll in.
Source: NCES Common Core of Data 2024-25 (locations, enrollment, teachers); NCES F-33 finance survey, fiscal year 2022-23. Distances are straight lines between the schools' NCES coordinates, not travel routes.
Questions about Centennial High School
How many students attend Centennial High School?
1,743 in the 2024-25 school year, according to the NCES Common Core of Data; 1,931 in 2022-23. It is a high school in Boise, ID.What is the student-teacher ratio at Centennial High School?
20.3 students per full-time teacher (2024-25); the Idaho median for high schools is 15.8. A ratio counts every teacher, so it is not the size of a class.Is Centennial High School a Title I school?
Centennial High School was eligible for Title I in 2021-22 but ran no Title I program (2021-22 is the last year NCES published school Title I status).How do students at Centennial High School do on state tests?
The students tested at Centennial High School scored proficient or above: 72% in reading in 2021-22 and 48% in math in 2022-23, against 54.8% in reading in 2021-22 and 40.6% in math in 2022-23 across Idaho. Idaho's own test sets what proficient means, so results compare within the state, not across states. Source: U.S. Department of Education, EDFacts state assessment results, 2021-22 and 2022-23; ED publishes school results as ranges to protect small groups.What is the graduation rate at Centennial High School?
90% of the 434 students in Centennial High School's class of 2023 graduated within four years, against 81.1% across Idaho. The rate counts the students who started ninth grade in fall 2019, adjusted for those who moved in or out, and the share of them with a regular diploma by 2023. Source: U.S. Department of Education, EDFacts four-year adjusted-cohort graduation rates, 2022-23; ED publishes school rates as ranges to protect small groups.What district is Centennial High School in?
Joint School District No. 2, NCES district ID 1602100. The first seven digits of the school's NCES ID 160210000674 are the district's.
Reading these figures: how to choose a school district, what Title I means and what an absenteeism rate means. They are for information and are not a substitute for the school's or district's own records.
Sources
Every federal file behind this record
- NCES Common Core of Data, 2024-25: directory, membership, staff and lunch files. nces.ed.gov
- NCES Common Core of Data, 2021-22 school characteristics: Title I status. nces.ed.gov
- Civil Rights Data Collection, 2021-22: AP courses, gifted programs, counselors, discipline. civilrightsdata.ed.gov
- EDFacts, 2022-23: chronic absenteeism. ed.gov
- EDFacts state assessment results, 2021-22 and 2022-23: reading and math proficiency for the school, its district and its state (ED Data Express). eddataexpress.ed.gov
- EDFacts four-year adjusted-cohort graduation rates, 2022-23: the class of 2023 for the school, its district and its state (ED Data Express). eddataexpress.ed.gov
- NCES F-33 School District Finance Survey, fiscal year 2022-23: district spending and revenue. nces.ed.gov
- U.S. Census Bureau geocoder and TIGER school districts: the district boundary used by the district finder. census.gov
Source: NCES Common Core of Data Directory, membership, staff and lunch files · 2024-25
Source: Civil Rights Data Collection School-level files (AP, gifted, counselors, discipline) · 2021-22
District spending on the district page is from the NCES F-33 finance survey, fiscal year 2022-23.