The top reported proficiency rate is 71% in English language arts. The lowest is 45% in Science.
Original Research by School Decision on Riverdale Middle School
Riverdale Middle School is a rural middle school serving grades six through eight in Port Byron, a small village on the Illinois bank of the Mississippi River, about miles east of downtown in the Quad Cities area. The school enrolls a modest population of students distributed roughly evenly across the three grade levels.
The student body is predominantly white, with smaller representation from Hispanic and multiracial students and very small Asian and Black populations. Data on free-or-reduced-price lunch eligibility, English learners, and students with individualized education plans were not available, so a parent may want to look into the school directly on those points.
In academic proficiency, Riverdale Middle shows a mixed picture that varies significantly by subject and grade level. On state math assessments, the school's performance runs lower in sixth and eighth grades and notably stronger in seventh grade. English language arts tells a different story: sixth-grade ELA proficiency sits near the middle range, seventh grade is considerably higher, and eighth grade reaches a strong level. In science, which is assessed only in eighth grade, proficiency is below the median. Across all tested subjects and grades, the school's overall proficiency index places it in the top quartile of districts in Rock Island County, a positioning that reflects some pockets of genuine strength even as other grade-subject combinations show softer numbers. Participation rates across assessments are uniformly high and consistent, indicating that attendance on testing days is reliably strong.
The variation in performance across grades suggests that student progress may depend partly on grade-level factors, teacher assignment, or curriculum emphasis rather than pointing to uniform school-wide challenges. The pattern also shows that middle school is not a uniform experience at Riverdale: seventh graders in particular show notably stronger achievement in both ELA and math than their adjacent cohorts.
Port Byron itself is a slow-growing residential village centered on a historic riverfront district with locally-owned restaurants, parks, and the paved Great River Trail. The Riverdale schools occupy a single campus about miles outside the village proper, on a rural-feeling setting rather than woven into downtown. Housing values in the local market are moderate, and most families own their homes. The median household income in the region is solid, and the unemployment rate is low, suggesting stable employment for households in the area. Most residents commute to work outside Port Byron, many into the broader Quad Cities employment market. The district recently completed a major reconstruction at Riverdale Elementary, adding a new kindergarten wing and renovating lower-grade classrooms and library spaces for the start of the 2024-25 school year.
A parent considering this school should weigh the grade-level variation in test results carefully: middle grades here do not perform identically, and eighth-grade math and science show room for growth. At the same time, the school's overall standing in the county is solid, participation in state assessments is strong, and seventh grade shows what the school can achieve in ELA and math. The school fits a family seeking a small, rural-setting middle school in a stable, owner-occupied community with access to riverfront recreation and reasonable housing costs.
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