The top reported proficiency rate is 70% in Math. The lowest is 20% in Science.
Original Research by School Decision on Mattituck Junior-senior High School
Mattituck Junior-Senior High School serves grades seven through twelve in a small North Fork hamlet where school life, housing, and community identity are bound together. This is a quiet, family-scaled place: the school enrolls a few hundred students in a setting that blends coastal access, farmland, and a walkable village center anchored by Love Lane's locally owned shops. For families choosing this school, the question is not whether it offers breadth or intensity but whether its particular size, peer environment, and modest academic profile fit their needs.
The school's recent test results show a school in transition. In the latest state testing, eighth-grade students performed solidly in English language arts and reasonably well in math, with meaningful shares meeting proficiency. Seventh grade tells a different story: math proficiency was in the mid-range, but English language arts proficiency dropped sharply, suggesting either a cohort difference or uneven instruction at the seventh-grade level. A parent may want to look into this further with the school. The science data is too thin to read meaningfully. Across all tested subjects and grades, the school's overall proficiency index places it above the midpoint among Suffolk County districts, a respectable but not exceptional position.
Graduation rates and attendance data were not available, so a parent seeking those numbers should ask the district directly. Similarly, demographic breakdowns of special education and English learner populations are missing. What is visible is that the student body is predominantly white, with a substantial share of Hispanic students and small numbers of Asian and Black students. Families qualifying for free or reduced lunch are not reported, a gap worth asking about when evaluating who attends and how poverty tracks through enrollment.
The school sits on a separate campus along Main Road, removed from Mattituck's downtown life on Love Lane. It is not a walkable community for most daily needs: the hamlet's Walk Score is very low, meaning most families drive. Housing in the area is expensive; median home values cluster in the mid-to-high range, and the market has been tightening, with fewer active listings and pending sales dropping. This is a place where housing affordability is strained and the shortage of rental stock is well documented. The North Fork has been pursuing affordable housing projects, but new construction is slow, so families are paying premium prices to live here.
The district itself is navigating significant structural change. Enrollment has declined substantially over the past decade, a trend that has prompted serious discussions about consolidation with neighboring North Fork districts. No merger has happened yet, but the trajectory is worth understanding if you are choosing this school for the long term. On the positive side, the district has completed substantial facility upgrades using capital reserves, including air conditioning in every classroom and improved security systems, so the physical plant is in good condition. A new universal full-day pre-K program launched recently at the elementary school, a benefit for families with younger children. Voters also approved a STEM wing renovation at the high school and established a new capital reserve fund for future improvements, indicating community investment in the buildings themselves, even as student numbers fall.
For a parent or family considering this school, the realistic picture is of a small, stable, adequately performing school in an expensive and quieter corner of Long Island. It is not a school known for advanced programs, competitive athletics on a large scale, or the breadth of course options a larger district might offer. It is a school where you know the adults, where classes are smaller, and where the peer environment reflects a particular North Fork demographic and lifestyle. Housing costs are high, the community is aging, and the district's enrollment is shrinking. These are facts to weigh alongside what the school itself does well: solid instruction in the middle grades, a functional facility, and a genuine community character. Whether that fit matters depends on whether a family values these quieter, more intimate conditions or needs something else entirely.
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