Jefferson Jr High School
🇺🇸 Official data · 2025Naperville, Illinois 60563 · Naperville CUSD 203
#63 of 670 middle schools in Illinois
#2406 of 15,369 nationally
About Jefferson Jr High School
Jefferson Jr High School is a public middle located in Naperville, in the Naperville CUSD 203 school district of Illinois, United States. It caters for Grades 6–8. In 2025 it enrolled 832 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 74.7 out of 100, placing it in the top 25% of middle schools in United States and 63rd of 670 ranked middle schools in Illinois. Its strongest component is community advantage (fewer free/reduced-price lunch) (82th percentile), and its weakest is math proficiency (63th percentile).
Other published figures: enrollment 832.
There are 40 schools in Naperville; Jefferson Jr High School ranks 30th of 39 scored schools there.
Success Index (US) breakdown
Each component is a percentile against middle schools across United States.
- Math proficiency (30%)50%
- Reading proficiency (30%)66%
- Community advantage (fewer free/reduced-price lunch) (25%)29.1%
- Students per teacher (15%)12.4
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 Jr High School by the official sources.
- Enrollment
- 832
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 29.1%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 12.4
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 66%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 50%
- Share of tested students proficient or above (all students, all grades).
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Schools near Jefferson Jr High School
Closest schools by straight-line distance, with their Success Index (US).
Beebe Elem School
Naperville · Public elementary · Grades K–5
619 students · 672 m away
Mill Street Elem School
Naperville · Public elementary · Grades K–5
600 students · 972 m away
Naperville North High School
Naperville · Public high · Grades 9–12
2,467 students · 1.6 km away
Washington Jr High School
Naperville · Public middle · Grades 5–8
551 students · 1.9 km away
Ellsworth Elem School
Naperville · Public elementary · Grades K–5
227 students · 2.0 km away
Naper Elem School
Naperville · Public elementary · Grades K–4
235 students · 2.4 km away
Hubble Middle School
Warrenville · Public middle · Grades 6–8
679 students · 2.6 km away
Highlands Elem School
Naperville · Public elementary · Grades K–5
510 students · 3.0 km away
Bower Elem School
Warrenville · Public elementary · Grades K–5
406 students · 3.2 km away
Naperville Central High School
Naperville · Public high · Grades 9–12
2,589 students · 3.2 km away
Similar schools
Public middle schools in Illinois with a comparable Enrollment.
Thompson Jr High School
Oswego · Public middle · Grades 6–8
832 students
Hadley Middle School
Homer Glen · Public middle · Grades 5–6
834 students
Hannah Beardsley Middle School
Crystal Lake · Public middle · Grades 6–8
829 students
Thayer J Hill Middle School
Naperville · Public middle · Grades 6–8
828 students
Heritage Grove Middle School
Plainfield · Public middle · Grades 6–8
841 students
Parker Junior High School
Flossmoor · Public middle · Grades 6–8
822 students
Frequently asked questions
Is Jefferson Jr High School a good school?
Jefferson Jr High School has a Success Index (US) of 74.7 out of 100 (Top 25% of middle schools in United States) and ranks #63 of 670 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 Jefferson Jr High School rank in Illinois?
Jefferson Jr High School ranks #63 of 670 middle schools in Illinois and #2406 of 15,369 nationally on the Success Index (US) (2025 data).
How many students attend Jefferson Jr High School?
Jefferson Jr High School had 832 students in 2025.
Is Jefferson Jr High School a elementary school or a high school?
Jefferson Jr High School is classified as a middle covering Grades 6–8. It is a public school.
What other schools are near Jefferson Jr High School?
There are 10 schools within 15 km of Jefferson Jr High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.