The top reported proficiency rate is 63% in English language arts. The lowest is 45% in Science.
Original Research by School Decision on Herman E Dummer
Herman E Dummer Elementary is a school serving grades four and five in Sandwich, a small DeKalb County city in the agricultural reach west of Chicago. The school underwent a significant structural change at the start of the 2025-26 school year. Dummer now houses fifth-graders exclusively on its first floor and shares facilities with the attached Sandwich Middle School for some operations, while the other three elementary buildings in the district expanded to include fourth grade.
The school's enrollment is small, with roughly equal cohorts in each grade. Demographic composition is predominantly white, with a small Hispanic share and minimal representation from other racial or ethnic groups; free-or-reduced-price-lunch data were not available.
In the most recent testing, fourth-grade students showed mid-range performance. Math proficiency was around the middle of the distribution. English language arts proficiency was modestly above the middle. Fifth-grade results tell a different story: math proficiency dropped substantially, while language arts held more steadily at a rate similar to fourth grade. Science proficiency for fifth graders was below the midpoint. Across tested subjects and grades, the school's overall proficiency index placed it in the top quartile among DeKalb County school districts, though the county's top performers scored higher.
The shift to a fifth-grade-only configuration is a structural fact that families should understand. Students and families who were accustomed to a K-3 or K-4 building experience at Dummer will no longer find that model there. The reconfiguration reflects district-wide planning toward a longer-term vision of fully K-5 elementary buildings, and it means Dummer fifth-graders now share middle school buildings and systems. A parent considering the school may want to clarify with the district how the physical integration with the middle school operates in practice, whether instruction remains age-appropriate and separate, and what the building-sharing arrangement means for scheduling and student life.
Housing in the Sandwich area is relatively affordable compared to national benchmarks, though home values have risen modestly year-over-year. The town is in a renewed growth phase after earlier development stalled during the recession; new residential construction and civic infrastructure improvements, including a Main Street reconstruction completed in 2025, are underway. Healthcare and light manufacturing are the primary local employers, though many residents commute to jobs in adjacent communities.
State testing data for grade three, and grades six through eight, were not available, as those grades are either not tested or not served by this school.
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