Sussex Montessori School

Contact Information

Head of School

Siza Mtimbiri

Address

24960 Dairy Lane
Seaford, DE 19973

Phone

Title IX Coordinator

Debra Smullin

Title IX Phone

Mission Statement

Enrollment and Demographics

Enrollment: 392Β (as of Β September 30, 2025)

Enrollment by race and ethnicity
Group Percentage
White50.00%
Black28.06%
Hispanic13.52%
Multiracial8.16%
Asian0.26%
Native American0.00%
Pacific Islander0.00%

Student Characteristics

Low Income
33.93%
Students with Disabilities
10.46%
English Learners
6.38%
Homeless
*

Academic Performance (2024-2025)

19.74%

English Language Arts Proficiency
Smarter Assessment (Grades 3-8) & SAT (Grade 11)

14.61%

Mathematics Proficiency
Smarter Assessment (Grades 3-8) & SAT (Grade 11)

Data Note: All data sourced from Delaware Department of Education ESSA API. Performance metrics, enrollment, and demographics are from the 2024-2025 school year. Visit the full Delaware Report Card for the most up-to-date information and the Data Dictionary for explanations of all metrics.