Jefferson County Open Secondary
🇺🇸 Official data · 2025Lakewood, Colorado 80215 · Jefferson County School District No. R-1
#174 of 307 high schools in Colorado
#9982 of 16,910 nationally
About Jefferson County Open Secondary
Jefferson County Open Secondary is a public high located in Lakewood, in the Jefferson County School District No. R-1 school district of Colorado, United States. It caters for Grades 7–12. In 2025 it enrolled 315 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 43.9 out of 100, placing it in the lower 50% of high schools in United States and 174th of 307 ranked high schools in Colorado. Its strongest component is reading proficiency (55th percentile), and its weakest is math proficiency (30th percentile).
Other published figures: enrollment 315.
There are 30 schools in Lakewood; Jefferson County Open Secondary ranks 15th of 30 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)27%
- Reading proficiency (30%)57%
- Community advantage (fewer free/reduced-price lunch) (25%)–
- 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 Jefferson County Open Secondary by the official sources.
- Enrollment
- 315
- Students enrolled in the latest NCES directory year.
- Students per teacher
- 15.0
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 57%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 27%
- Share of tested students proficient or above (all students, all grades).
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Schools near Jefferson County Open Secondary
Closest schools by straight-line distance, with their Success Index (US).
Jefferson County Open Elementary School
Lakewood · Public elementary · Grades PK–6
236 students · 40 m away
South Lakewood Elementary School
Lakewood · Public elementary · Grades K–5
393 students · 1.8 km away
Eiber Elementary School
Lakewood · Public elementary · Grades PK–5
255 students · 1.9 km away
Lakewood High School
Lakewood · Public high · Grades 9–12
1,735 students · 2.1 km away
Jefferson Junior/Senior High School
Edgewater · Public high · Grades 7–12
601 students · 2.1 km away
Rose Stein International Elementary
Lakewood · Public elementary · Grades PK–6
336 students · 2.1 km away
Lumberg Elementary School
Edgewater · Public elementary · Grades PK–6
526 students · 2.1 km away
Slater Elementary School
Lakewood · Public elementary · Grades PK–5
280 students · 2.2 km away
Dennison Elementary School
Lakewood · Public elementary · Grades K–6
575 students · 2.3 km away
Creighton Middle School
Lakewood · Public middle · Grades 6–8
741 students · 2.7 km away
Similar schools
Public high schools in Colorado with a comparable Enrollment.
Sheridan High School
Englewood · Public high · Grades 9–12
321 students
Wray Junior Senior High School
Wray · Public high · Grades 7–12
322 students
Mapleton Early Career Preparation
Thornton · Public high · Grades 9–12
306 students
New Vista High School
Boulder · Public high · Grades 9–12
327 students
Centauri High School
La Jara · Public high · Grades 9–12
301 students
Highland High School
Ault · Public high · Grades 9–12
299 students
Frequently asked questions
Is Jefferson County Open Secondary a good school?
Jefferson County Open Secondary has a Success Index (US) of 43.9 out of 100 (Lower 50% of high schools in United States) and ranks #174 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 Jefferson County Open Secondary rank in Colorado?
Jefferson County Open Secondary ranks #174 of 307 high schools in Colorado and #9982 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Jefferson County Open Secondary?
Jefferson County Open Secondary had 315 students in 2025.
Is Jefferson County Open Secondary a elementary school or a high school?
Jefferson County Open Secondary is classified as a high covering Grades 7–12. It is a public school.
What other schools are near Jefferson County Open Secondary?
There are 10 schools within 15 km of Jefferson County Open Secondary; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.