Riverdale Sr High School
Public
High Grades 9–12
Part of Riverdale CUSD 100
9622 256th St N, Port Byron, IL 61275 · (309) 523-3181
Community ratings
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Academic performance
Math proficiency27%
State average 25.9%
Reading / language arts32%
State average 30.7%
EDFacts via Urban Institute Education Data Portal (SY2020-21)
At a glance
324Students enrolled
12:1Student–teacher ratio
16%Free / reduced lunch
RuralSetting
Regular SchoolSchool type
Enrollment by grade
Grade 990
Grade 1089
Grade 1178
Grade 1267
Students
White · 89%287
Hispanic · 6%19
Two or more races · 4%12
Black · 1%2
Asian · 1%2
Counts as reported to NCES; percentages are of students with a reported race/ethnicity.
Enrollment · last 5 years
328’20
320’21
312’22
308’23
324’24
Location
9622 256th St N Port Byron
Neighbor reviews
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School facts from the U.S. Department of Education (NCES), 2024-2025 school year. Academic scores from the EDFacts via Urban Institute Education Data Portal (SY2020-21). Community ratings and reviews reflect neighbor opinions, not an official measure of school quality.