Capital Senior High School
🇺🇸 Official data · 2025Boise, Idaho 83704 · Boise Independent District
#68 of 134 high schools in Idaho
#8564 of 16,910 nationally
About Capital Senior High School
Capital Senior High School is a public high located in Boise, in the Boise Independent District school district of Idaho, United States. It caters for Grades 9–12. In 2025 it enrolled 1,170 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 49.3 out of 100, placing it in the lower 50% of high schools in United States and 68th of 134 ranked high schools in Idaho. Its strongest component is community advantage (fewer free/reduced-price lunch) (72th percentile), and its weakest is math proficiency (34th percentile).
Other published figures: enrollment 1,170.
There are 71 schools in Boise; Capital Senior High School ranks 46th of 67 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)30%
- Reading proficiency (30%)53%
- Community advantage (fewer free/reduced-price lunch) (25%)36.3%
- Students per teacher (15%)16.0
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Capital Senior High School by the official sources.
- Enrollment
- 1,170
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 36.3%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 16.0
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 53%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 30%
- Share of tested students proficient or above (all students, all grades).
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Schools near Capital Senior High School
Closest schools by straight-line distance, with their Success Index (US).
Idaho Connects Online School
Nampa · Charter high · Grades 6–12
165 students · 564 m away
Valley View Elementary School
Boise · Public elementary · Grades PK–6
330 students · 767 m away
Mountain View Elementary School
Boise · Public elementary · Grades PK–6
292 students · 1.3 km away
Morley Nelson Elementary
Boise · Public elementary · Grades PK–6
392 students · 2.0 km away
Summerwind STEM Academy
Boise · Public elementary · Grades PK–5
370 students · 2.1 km away
Fairmont Junior High School
Boise · Public middle · Grades 7–9
659 students · 2.2 km away
Pierce Park Elementary School
Boise · Public elementary · Grades PK–6
233 students · 2.7 km away
Anser Charter School
Garden City · Charter elementary · Grades PK–8
573 students · 2.9 km away
McMillan Elementary
Boise · Public elementary · Grades PK–5
241 students · 2.9 km away
Future Public School
Garden City · Charter elementary · Grades K–6
376 students · 3.0 km away
Similar schools
Public high schools in Idaho with a comparable Enrollment.
Blackfoot High School
Blackfoot · Public high · Grades 9–12
1,170 students
Columbia High School
Nampa · Public high · Grades 9–12
1,165 students
Bonneville High School
Idaho Falls · Public high · Grades 9–12
1,176 students
Skyview High School
Nampa · Public high · Grades 9–12
1,146 students
Jerome High School
Jerome · Public high · Grades 9–12
1,140 students
Minico Senior High School
Rupert · Public high · Grades 9–12
1,203 students
Frequently asked questions
Is Capital Senior High School a good school?
Capital Senior High School has a Success Index (US) of 49.3 out of 100 (Lower 50% of high schools in United States) and ranks #68 of 134 in Idaho. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Capital Senior High School rank in Idaho?
Capital Senior High School ranks #68 of 134 high schools in Idaho and #8564 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Capital Senior High School?
Capital Senior High School had 1,170 students in 2025.
Is Capital Senior High School a elementary school or a high school?
Capital Senior High School is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Capital Senior High School?
There are 10 schools within 15 km of Capital Senior High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.