Plainfield South High School
🇺🇸 Official data · 2025Plainfield, Illinois 60586 · Plainfield SD 202
#226 of 691 high schools in Illinois
#10257 of 16,910 nationally
About Plainfield South High School
Plainfield South High School is a public high located in Plainfield, in the Plainfield SD 202 school district of Illinois, United States. It caters for Grades 9–12. In 2025 it enrolled 2,323 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 42.8 out of 100, placing it in the lower 50% of high schools in United States and 226th of 691 ranked high schools in Illinois. Its strongest component is community advantage (fewer free/reduced-price lunch) (75th percentile), and its weakest is reading proficiency (20th percentile).
Other published figures: enrollment 2,323.
There are 29 schools in Plainfield; Plainfield South High School ranks 25th of 28 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)35%
- Reading proficiency (30%)33%
- Community advantage (fewer free/reduced-price lunch) (25%)34.2%
- Students per teacher (15%)17.1
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 Plainfield South High School by the official sources.
- Enrollment
- 2,323
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 34.2%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 17.1
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 33%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 35%
- Share of tested students proficient or above (all students, all grades).
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Schools near Plainfield South High School
Closest schools by straight-line distance, with their Success Index (US).
Charles Reed Elementary Sch
Plainfield · Public elementary · Grades K–5
641 students · 773 m away
Aux Sable Middle Sch
Joliet · Public middle · Grades 6–8
844 students · 1.2 km away
Thomas Jefferson Elem Sch
Joliet · Public elementary · Grades K–5
646 students · 1.3 km away
Meadow View Elementary School
Plainfield · Public elementary · Grades K–5
627 students · 1.8 km away
Jones Elementary School
Joliet · Public elementary · Grades K–4
553 students · 3.0 km away
Ridge Elementary School
Plainfield · Public elementary · Grades K–5
481 students · 3.5 km away
Drauden Point Middle School
Plainfield · Public middle · Grades 6–8
658 students · 3.5 km away
Orenic Intermediate School
Plainfield · Public middle · Grades 5–6
812 students · 4.1 km away
Troy Middle School
Plainfield · Public middle · Grades 7–8
881 students · 4.3 km away
Wesmere Elementary School
Plainfield · Public elementary · Grades K–5
544 students · 4.8 km away
Similar schools
Public high schools in Illinois with a comparable Enrollment.
Glenbard West High School
Glen Ellyn · Public high · Grades 9–12
2,330 students
Glenbard East High School
Lombard · Public high · Grades 9–12
2,311 students
Edwardsville High School
Edwardsville · Public high · Grades 9–12
2,342 students
Mundelein Cons High School
Mundelein · Public high · Grades 9–12
2,282 students
Kenwood Academy High School
Chicago · Public high · Grades 7–12
2,268 students
Yorkville High School
Yorkville · Public high · Grades 9–12
2,266 students
Frequently asked questions
Is Plainfield South High School a good school?
Plainfield South High School has a Success Index (US) of 42.8 out of 100 (Lower 50% of high schools in United States) and ranks #226 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 Plainfield South High School rank in Illinois?
Plainfield South High School ranks #226 of 691 high schools in Illinois and #10257 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Plainfield South High School?
Plainfield South High School had 2,323 students in 2025.
Is Plainfield South High School a elementary school or a high school?
Plainfield South High School is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Plainfield South High School?
There are 10 schools within 15 km of Plainfield South High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.