The top reported proficiency rate is 62% in English language arts. The lowest is 49% in Science.
Original Research by School Decision on William F. Cooke Jr. Elementary
William F. Cooke Jr. Elementary sits on Graves Road in Hockessin, Delaware, serving kindergarten through fifth grade as part of the Red Clay Consolidated School District. It is a regular public school, neither a charter nor a magnet, and its enrollment places it among the larger elementary schools for its grade band.
The student body is predominantly white, with a substantial Hispanic presence and smaller Black, Asian, and multiracial communities rounding out the population. The data available does not include free-or-reduced-price lunch figures, special education rates, or English learner counts, so the socioeconomic and special-population picture remains incomplete. A parent wanting to understand those dimensions would need to ask the school directly.
On state assessments, Cooke Elementary performs well above what is typical for New Castle County. The comparison set, which positions this school relative to districts countywide, places its overall proficiency in the top quartile. In the most recent reported year, the share of students meeting or exceeding proficiency was solidly above half in both English language arts and mathematics, with math slightly trailing reading. Science proficiency was lower, with fewer than half of tested students reaching that bar, though science is assessed only at the upper elementary grade here, so the tested group is a subset of the school. Social studies results from the prior year were stronger, with a clear majority of fourth graders proficient. Participation rate data was not available for the current year's math, reading, or science assessments.
The trend lines over the past several years tell a more textured story. Both reading and math proficiency held in a fairly steady range before the pandemic, dipped during the disrupted school year, and then recovered. Reading climbed back to near its pre-pandemic level before easing downward again in the most recent two years. Math followed a similar arc, recovering well from its pandemic low before settling somewhat below its earlier range in the latest year. Neither subject has returned to its highest pre-pandemic marks, and both have drifted in the past two reporting cycles. A parent may want to ask the school what is driving the recent softening and what interventions are in place.
Hockessin is an affluent suburban community in northern New Castle County, close to the Pennsylvania border and a short drive from Wilmington. Housing values here run well above both the Delaware state benchmark and the national median, with typical home values in the school's zip code sitting at a premium. Rents are also elevated relative to the state. The price-to-income ratio is high, meaning buying a home in this attendance zone requires a substantial income relative to most of the country. For families already in the area or those who can manage the housing costs, the real estate market reflects the broader profile of the community: established, prosperous, and competitive.
The Red Clay Consolidated School District, which oversees Cooke Elementary, is in the midst of a publicly reported change at the secondary level. Thomas McKean High School is being transformed into the McKean Innovation Campus, with a planned launch that will bring industry-recognized credentials and restructured learning pathways to the district's older students. This does not directly affect Cooke's elementary families today, but it signals a district actively rethinking its upper-grade offerings, which could matter as current Cooke students progress through the system.
What the data does not tell us is also worth naming. There is no chronic absenteeism figure, no discipline or staffing detail, and no information on course access or specialized programs at the school level. Title I status was not reported. Civil rights data was not available. These gaps mean a family evaluating Cooke has a solid academic picture but an incomplete view of school climate, supports, and equity. Filling in those blanks would require a conversation with the school or a visit to the district's own reporting.
For a family weighing Cooke Elementary, the core academic evidence is strong: proficiency rates that outpace most of the county, a track record that held above its pandemic lows, and a community where housing costs reflect the area's economic profile. The recent downward drift in both reading and math is the one soft spot a parent might press on. The missing climate and support data is the other. Both are reasonable questions to bring to a school tour or a conversation with the principal.
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