Armstrong High School
🇺🇸 Official data · 2025Armstrong, Illinois 61812 · Armstrong Twp HSD 225
#350 of 691 high schools in Illinois
#12366 of 16,910 nationally
About Armstrong High School
Armstrong High School is a public high located in Armstrong, in the Armstrong Twp HSD 225 school district of Illinois, United States. It caters for Grades 9–12. In 2025 it enrolled 114 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 34.2 out of 100, placing it in the lower 50% of high schools in United States and 350th of 691 ranked high schools in Illinois. Its strongest component is community advantage (fewer free/reduced-price lunch) (70th percentile), and its weakest is reading proficiency (10th percentile).
Other published figures: enrollment 114.
There are 2 schools in Armstrong; Armstrong High School ranks 2nd of 2 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)15%
- Reading proficiency (30%)24.5%
- Community advantage (fewer free/reduced-price lunch) (25%)37.7%
- Students per teacher (15%)8.1
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 Armstrong High School by the official sources.
- Enrollment
- 114
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 37.7%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 8.1
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 24.5%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 15%
- Share of tested students proficient or above (all students, all grades).
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Schools near Armstrong High School
Closest schools by straight-line distance, with their Success Index (US).
Armstrong-Ellis Elem School
Armstrong · Public elementary · Grades K–8
81 students · 463 m away
Potomac Elem School
Potomac · Public elementary · Grades PK–8
137 students · 7.6 km away
Gifford Grade School
Gifford · Public elementary · Grades K–8
151 students · 12 km away
Prairieview-Ogden North Elem
Royal · Public elementary · Grades PK–4
91 students · 14 km away
Similar schools
Public high schools in Illinois with a comparable Enrollment.
Shiloh High School
Hume · Public high · Grades 9–12
115 students
Galatia High School
Galatia · Public high · Grades 9–12
115 students
St Elmo Sr High School
Saint Elmo · Public high · Grades 9–12
113 students
Alden-Hebron High School
Hebron · Public high · Grades 9–12
112 students
Orangeville High School
Orangeville · Public high · Grades 9–12
111 students
Cuba Sr High School
Cuba · Public high · Grades 9–12
118 students
Frequently asked questions
Is Armstrong High School a good school?
Armstrong High School has a Success Index (US) of 34.2 out of 100 (Lower 50% of high schools in United States) and ranks #350 of 691 in Illinois. 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 Armstrong High School rank in Illinois?
Armstrong High School ranks #350 of 691 high schools in Illinois and #12366 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Armstrong High School?
Armstrong High School had 114 students in 2025.
Is Armstrong High School a elementary school or a high school?
Armstrong High School is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Armstrong High School?
There are 4 schools within 15 km of Armstrong High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.