The top reported proficiency rate is 72% in Math. The lowest is 65% in Science.
Original Research by School Decision on Mary Morgan Elem Sch
Mary Morgan Elementary serves pre-K through fifth grade in Byron, a small city in Ogle County along the Rock River. The school enrolls a small student body distributed relatively evenly across its grade bands, with the largest populations in the upper elementary grades.
The student body is predominantly white, with a modest Hispanic representation and very small numbers of other racial and ethnic groups. Specific data on free and reduced-price lunch eligibility and special education enrollment were not available. The school draws from a community shaped by the Byron Clean Energy Center (formerly the nuclear generating station), which supplies a substantial portion of the district's property tax revenue and anchors the local economy.
On state assessments administered in the 2024-25 school year, the school shows uneven performance across grades and subjects. In third-grade math, proficiency is strong. Fourth-grade math proficiency drops considerably lower, while fifth-grade math reaches a middle level. In English language arts, third grade shows solid proficiency, fourth grade similar, and fifth grade stronger. Fifth-grade science proficiency sits in the mid-range. The school's overall proficiency index places it in the top quartile relative to other districts in Ogle County, though the variation by grade and subject suggests that students encounter different levels of challenge or support as they progress through the school.
State testing data for grades six, seven, and eight were not reported, which reflects that the school serves only through fifth grade; students advance to middle school elsewhere in the district.
Byron itself is a residential community of modest size in rural northern Illinois, roughly fifteen miles from Rockford. The housing stock mixes historic homes near a small downtown core with newer subdivisions on the periphery, including planned neighborhoods with energy-efficient construction. Home values are below state and national benchmarks, and rental affordability is relatively favorable. The town's civic life centers on a walkable downtown stretch with shops, restaurants, and murals, plus outdoor recreation anchored by the Byron Forest Preserve, parks, and library. The economy depends heavily on the nuclear plant; the district's finances benefited substantially from 2021 state legislation that secured the plant's continued operation through the coming decades after a threatened closure in 2021, and from a 2023 property tax settlement that removed years of uncertainty over the plant's assessed value.
A parent considering this school should recognize it as a small, neighborhood elementary serving a tight-knit community in a region with stable housing affordability. The school's academic results show strength in early-elementary math but warrant conversation with the school about the fourth-grade math dip and the instructional supports available to help all students progress. The school's overall standing among county districts is solid. The immediate economic prospects for the district rest on the long-term viability of the nuclear plant, now legislatively secured.
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