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Jefferson High School

🇺🇸 Official data · 2025Rockford, Illinois 61109 · Rockford SD 205

14.3/ 100
Success Index (US)
Lower 50%

#618 of 691 high schools in Illinois
#16162 of 16,910 nationally

How is this calculated?
Students
2,173
Enrollment
2,173
Source: NCES CCD
Free/reduced-price lunch
70%
Source: NCES CCD
Students per teacher
19.8
Source: NCES CCD

About Jefferson High School

Jefferson High School is a public high located in Rockford, in the Rockford SD 205 school district of Illinois, United States. It caters for Grades 9–12. In 2025 it enrolled 2,173 students. Traditional public schools run by a school district; free to attend.

Its Success Index (US) is 14.3 out of 100, placing it in the lower 50% of high schools in United States and 618th of 691 ranked high schools in Illinois. Its strongest component is community advantage (fewer free/reduced-price lunch) (29th percentile), and its weakest is reading proficiency (6th percentile).

Other published figures: enrollment 2,173.

There are 44 schools in Rockford; Jefferson High School ranks 23rd of 40 scored schools there.

Success Index (US) breakdown

Each component is a percentile against high schools across United States.

  • Math proficiency (30%)11%
  • Reading proficiency (30%)18%
  • Community advantage (fewer free/reduced-price lunch) (25%)70%
  • Students per teacher (15%)19.8

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 High School by the official sources.

Enrollment
2,173
Students enrolled in the latest NCES directory year.
Free/reduced-price lunch
70%
Share of students eligible for free or reduced-price lunch.
Students per teacher
19.8
Enrollment divided by FTE teachers; not class size.
Reading proficiency
18%
Share of tested students proficient or above (all students, all grades).
Math proficiency
11%
Share of tested students proficient or above (all students, all grades).

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Schools near Jefferson High School

Closest schools by straight-line distance, with their Success Index (US).

Similar schools

Public high schools in Illinois with a comparable Enrollment.

Frequently asked questions

Is Jefferson High School a good school?

Jefferson High School has a Success Index (US) of 14.3 out of 100 (Lower 50% of high schools in United States) and ranks #618 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 Jefferson High School rank in Illinois?

Jefferson High School ranks #618 of 691 high schools in Illinois and #16162 of 16,910 nationally on the Success Index (US) (2025 data).

How many students attend Jefferson High School?

Jefferson High School had 2,173 students in 2025.

Is Jefferson High School a elementary school or a high school?

Jefferson High School is classified as a high covering Grades 9–12. It is a public school.

What other schools are near Jefferson High School?

There are 10 schools within 15 km of Jefferson High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.