Lyons Middle/Senior High School
🇺🇸 Official data · 2025Lyons, Colorado 80540 · St. Vrain Valley School District No. Re1J
#32 of 307 high schools in Colorado
#2461 of 16,910 nationally
About Lyons Middle/Senior High School
Lyons Middle/Senior High School is a public high located in Lyons, in the St. Vrain Valley School District No. Re1J school district of Colorado, United States. It caters for Grades 6–12. In 2025 it enrolled 344 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 73.5 out of 100, placing it in the top 25% of high schools in United States and 32nd of 307 ranked high schools in Colorado. Its strongest component is community advantage (fewer free/reduced-price lunch) (85th percentile), and its weakest is students per teacher (50th percentile).
Other published figures: enrollment 344.
There are 2 schools in Lyons; Lyons Middle/Senior 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%)53%
- Reading proficiency (30%)75%
- Community advantage (fewer free/reduced-price lunch) (25%)26.2%
- Students per teacher (15%)15.0
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 Lyons Middle/Senior High School by the official sources.
- Enrollment
- 344
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 26.2%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 15.0
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 75%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 53%
- Share of tested students proficient or above (all students, all grades).
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Schools near Lyons Middle/Senior High School
Closest schools by straight-line distance, with their Success Index (US).
Lyons Elementary School
Lyons · Public elementary · Grades PK–5
255 students · 1.4 km away
Hygiene Elementary School
Longmont · Public elementary · Grades PK–5
313 students · 7.8 km away
Westview Middle School
Longmont · Public middle · Grades 6–8
621 students · 9.7 km away
Longmont Estates Elementary School
Longmont · Public elementary · Grades PK–5
365 students · 10 km away
Silver Creek High School
Longmont · Public high · Grades 9–12
1,208 students · 11 km away
Blue Mountain Elementary
Longmont · Public elementary · Grades PK–5
542 students · 11 km away
Altona Middle School
Longmont · Public middle · Grades 6–8
715 students · 12 km away
Eagle Crest Elementary School
Longmont · Public elementary · Grades PK–5
421 students · 12 km away
Sanborn Elementary School
Longmont · Public elementary · Grades PK–5
209 students · 12 km away
Longs Peak Middle School
Longmont · Public middle · Grades 5–8
381 students · 13 km away
Similar schools
Public high schools in Colorado with a comparable Enrollment.
Manual High School
Denver · Public high · Grades 9–12
348 students
Brush High School
Brush · Public high · Grades 9–12
350 students
Denver Center for International Studies
Denver · Public high · Grades 6–12
354 students
Platte Valley High School
Kersey · Public high · Grades 9–12
331 students
New Vista High School
Boulder · Public high · Grades 9–12
327 students
Strasburg High School
Strasburg · Public high · Grades 9–12
364 students
Frequently asked questions
Is Lyons Middle/Senior High School a good school?
Lyons Middle/Senior High School has a Success Index (US) of 73.5 out of 100 (Top 25% of high schools in United States) and ranks #32 of 307 in Colorado. 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 Lyons Middle/Senior High School rank in Colorado?
Lyons Middle/Senior High School ranks #32 of 307 high schools in Colorado and #2461 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Lyons Middle/Senior High School?
Lyons Middle/Senior High School had 344 students in 2025.
Is Lyons Middle/Senior High School a elementary school or a high school?
Lyons Middle/Senior High School is classified as a high covering Grades 6–12. It is a public school.
What other schools are near Lyons Middle/Senior High School?
There are 10 schools within 15 km of Lyons Middle/Senior High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.