CENTENNIAL HIGH SCHOOL

12400 WEST MCMILLAN ROAD
BOISE, ID 83713

1,931 Students

High School 9th - 12th

School Overview

Centennial High School, located in Boise, Idaho, is a prominent public secondary school within the Joint School District No. 2 (West Ada School District). Serving a diverse student body, the school is known for its comprehensive academic curriculum, which includes a wide range of Advanced Placement (AP) courses, dual-credit opportunities, and elective programs designed to prepare students for both higher education and the workforce. The campus is well-regarded for fostering a balanced environment that emphasizes both rigorous scholastic achievement and personal development.

Beyond the classroom, Centennial High School offers a robust extracurricular landscape, featuring a variety of competitive athletic programs, student leadership organizations, and specialized clubs such as robotics, fine arts, and community service groups. The school takes pride in its strong sense of community spirit—often centered around its "Patriot" identity—and actively encourages student involvement in school traditions and local outreach. By prioritizing a well-rounded educational experience, Centennial aims to cultivate responsible, engaged, and academically prepared graduates ready to navigate their post-secondary futures.

1,931

Total Students

91.1

Full-Time Teachers

21.2

Student/Teacher Ratio

27.4%

Free/Reduced Lunch

Student Demographics

Student Demographics Data Table

Student Demographics for CENTENNIAL HIGH SCHOOL
Demographic	Student Count
White	1,424
Hispanic	239
Black	77
Asian	91
Two or More	85
American Indian	12
Pacific Islander	3

White
1,424 (73.7 %)
Hispanic
239 (12.4 %)
Asian
91 (4.7 %)
Two or More
85 (4.4 %)
Black
77 (4.0 %)
American Indian
12 (0.6 %)
Pacific Islander
3 (0.2 %)

School Location

School Details

Status:	Open
School Level:	High School
School Type:	Regular School
Charter Status:*	Public Non-Charter
Virtual Instruction:	Not reported
Shared Time Status:	Not reported
District:	JOINT SCHOOL DISTRICT NO. 2
Phone:	(208)855-4250
Grade Range:	9th - 12th
Total Students:	1,931
Full-Time Teachers (FTE):	91.1
Pupil/Teacher Ratio:	21.2
NSLP Participation:¹	Not reported
Qualified Free Lunch:	441
Qualified Reduced Lunch:	89

* Charter Schools: A public charter school is a publicly funded school that operates independently under a legislative contract (or "charter") with a state, school district, or designated authorizing entity. Charters grant these schools greater operational flexibility over curriculum, staffing, and budgeting in exchange for strict accountability to achieve performance standards established in their charter agreement.

¹ National School Lunch Program (NSLP): The National School Lunch Program is a federally assisted meal program operating in public and nonprofit private schools. It provides nutritionally balanced, low-cost or free lunches to eligible children each school day based on household income thresholds or community eligibility options (CEO).

Title I Program Overview: Title I, Part A of the Elementary and Secondary Education Act (ESEA) allocates federal financial assistance to local educational agencies and public schools with high percentages of children from low-income families to help ensure that all children meet challenging state academic standards.

Grades Taught

Grade 9 535

Grade 10 504

Grade 11 448

Grade 12 444