Riverdale Sr High School
🇺🇸 Official data · 2025Port Byron, Illinois 61275 · Riverdale CUSD 100
#84 of 691 high schools in Illinois
#6363 of 16,910 nationally
About Riverdale Sr High School
Riverdale Sr High School is a public high located in Port Byron, in the Riverdale CUSD 100 school district of Illinois, United States. It caters for Grades 9–12. In 2025 it enrolled 324 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 57.8 out of 100, placing it in the top 50% of high schools in United States and 84th of 691 ranked high schools in Illinois. Its strongest component is community advantage (fewer free/reduced-price lunch) (95th percentile), and its weakest is reading proficiency (31th percentile).
Other published figures: enrollment 324.
There are 3 schools in Port Byron; Riverdale Sr High School ranks 3rd of 3 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)37%
- Reading proficiency (30%)42%
- Community advantage (fewer free/reduced-price lunch) (25%)16%
- Students per teacher (15%)12.0
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 Riverdale Sr High School by the official sources.
- Enrollment
- 324
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 16%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 12.0
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 42%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 37%
- Share of tested students proficient or above (all students, all grades).
Free academic assessment
Is your child on grade level in reading and math?
Success Tutoring offers personalised English and math tutoring from Kindergarten to Grade 12. Start with a free online assessment and a clear plan for the year ahead.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Centres across NSW, VIC, QLD, WA, SA and ACT
Schools near Riverdale Sr High School
Closest schools by straight-line distance, with their Success Index (US).
Riverdale Elem School
Port Byron · Public elementary · Grades PK–5
517 students · 348 m away
Riverdale Middle School
Port Byron · Public middle · Grades 6–8
254 students · 456 m away
Bridgeview Elementary School
LeClaire · Public elementary · Grades PK–6
343 students · 7.9 km away
Cody Elementary School
LeClaire · Public elementary · Grades K–6
443 students · 8.5 km away
Virgil Grissom Elementary School
Princeton · Public elementary · Grades PK–6
152 students · 9.2 km away
Pleasant Valley Junior High School
LeClaire · Public middle · Grades 7–8
940 students · 10 km away
Hampton Elem School
Hampton · Public elementary · Grades K–8
225 students · 14 km away
Northeast Jr High School
East Moline · Public middle · Grades 6–8
186 students · 14 km away
Similar schools
Public high schools in Illinois with a comparable Enrollment.
Auburn High School
Auburn · Public high · Grades 9–12
327 students
Rolling Acres Middle School
Peoria · Public high · Grades 5–12
321 students
Gillespie High School
Gillespie · Public high · Grades 9–12
328 students
Johnston City High School
Johnston City · Public high · Grades 9–12
328 students
University of Illinois High Sch
Urbana · Public high · Grades 7–12
319 students
Tri-Valley High School
Downs · Public high · Grades 9–12
329 students
Frequently asked questions
Is Riverdale Sr High School a good school?
Riverdale Sr High School has a Success Index (US) of 57.8 out of 100 (Top 50% of high schools in United States) and ranks #84 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 Riverdale Sr High School rank in Illinois?
Riverdale Sr High School ranks #84 of 691 high schools in Illinois and #6363 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Riverdale Sr High School?
Riverdale Sr High School had 324 students in 2025.
Is Riverdale Sr High School a elementary school or a high school?
Riverdale Sr High School is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Riverdale Sr High School?
There are 8 schools within 15 km of Riverdale Sr High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.