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Sussex Montessori School


At a glance
29thof 34 Delaware districts▲ 2
Better than 14% of Delaware districts
Elementary 1Grades K-6
24970 Dairy Lane
Seaford, DE 19973
·(302) 404-5367·All Delaware district rankings →
Statewide performance 2022–2026
2026: better than 14.7% of districts
1
School
383
Students
Top rankedSussex Montessori School87th of 107 Delaware elementary schools
Biggest riser
Sussex Montessori School up 15 spots statewide this year
Summary:

Sussex Montessori School is the only school in the Sussex Montessori School district, serving grades K-6 in Seaford, DE, with 383 students and a 1-star state rating.

This elementary school is currently ranked in the 18th percentile statewide (87th out of 106 Delaware schools), which is a notable improvement from last year's 6th percentile ranking. However, academic proficiency remains a significant concern. In English Language Arts, proficiency ranges from 13% in 3rd grade to 30% in 5th grade, all well below state averages of 39-46%. Mathematics is the most critical area, with proficiency rates in the low teens—3rd grade math sits at just 11.67% compared to the state's 42.71% average. Science proficiency (24%) and social studies (ranging from 22% to 44%) also lag behind state benchmarks. The school's chronic absenteeism rate of 15.6% is actually better than the state average of 17.1%, suggesting students are attending school regularly.

One bright spot is the 5th-grade cohort, which outperforms all other grades in every subject—posting 30% ELA proficiency, 16% math, and an impressive 44% in social studies, nearly double the 4th-grade score. This could indicate a particularly effective teacher or a stronger student cohort. The student-teacher ratio of 23.9:1 is high for an elementary school, which may limit individualized attention, especially in a Montessori setting that emphasizes personalized learning. While the school faces serious academic challenges—particularly in math—the upward trend in its state ranking and the strong 5th-grade performance offer cautious optimism. Parents should consider the school's unique Montessori approach alongside its current academic struggles when evaluating options.

Ranking:
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E Elementary M Middle H High A Alternative P Private




Districts nearby

See the top DE Delaware districts
SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the Delaware Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.

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