Elementary school (grades K-5) · Seaford, DE
Sussex Montessori School
Federal NCES profile for Sussex Montessori School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 37/100.
The verdict
Sussex Montessori School earns 37/100 on the Resource Investment Index, with class sizes larger than 97% of Delaware schools.
- #4 of 4
- elementary schools in Seaford · Resource Index
- 37
- Resource Index · Typical
- 20.2:1
- large classes for Delaware
- 383
- students enrolled
Sussex Montessori School has class sizes larger than 97% of Delaware schools. Computed live against every Delaware school reporting to NCES.
By Resource Investment Index, Sussex Montessori School ranks #4 of 4 elementary schools in Seaford, DE.
School address
NCES ID 100006300387 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+36 students YoY
Sussex Montessori School grew from 403 students in 2022-23 to 439 in 2023-24 (+8.9%).
Teacher FTE added 19.0 → 22.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+36 students YoY 100006300387 · Seaford, DE Elementary · SMALL · CHARTER
383 enr · 20.2:1 · RII 37
Nearest enrollment peer: Harry N Mixon Intermediate School (383 students)
Sussex Montessori School grew from 403 students in 2022-23 to 439 in 2023-24 (+8.9%). Teacher FTE added 19.0 → 22.0 across the same CCD years. Read with this school → · District book → · Delaware schools → · Find another →
How Sussex Montessori School compares
Sussex Montessori School is a growing campus on CCD: ratios and free-lunch share vs Delaware and U.S. means.
| Metric | This school | vs Delaware | Delaware avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 20.2:1 | ▲ 45% | 13.9:1 | 15.7:1 |
| Enrollment | 383 | top 74% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Equity indicators methodology
Student demographics
Largest group: White at 52.2% of enrollment.
Simpson diversity index - at 64.0, Sussex Montessori School is more mixed than the Delaware school average of 61.3.
Programs
District finance for Sussex Montessori School reports $12,633 per pupil (NCES F-33) - open the district page for the full revenue mix.
Similar elementary schools in Seaford
3 comparable elementary schools (grades K-5) serving the same city.
Nationwide elementary schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~383 students)
Frequently asked questions about Sussex Montessori School
How many students attend Sussex Montessori School?
Sussex Montessori School has 383 students enrolled. It is an elementary school in Seaford, DE. CCD year-over-year: 403 (2022-23) → 439 (2023-24), up 36.
What is the student-teacher ratio at Sussex Montessori School?
The student-teacher ratio at Sussex Montessori School is 20.2:1, which is 45% higher than the Delaware average of 13.9:1 and 29% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Sussex Montessori School?
The largest demographic group at Sussex Montessori School is White at 52.2% of enrollment, in Seaford, DE. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 64.0/100.
What is the Resource Investment Index for Sussex Montessori School?
Sussex Montessori School has a Resource Investment Index of 37/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Sussex Montessori School rank among elementary schools in Seaford?
By Resource Investment Index, Sussex Montessori School ranks #4 of 4 elementary schools in Seaford, DE. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Seaford on the city page.
What other schools are in Sussex Montessori School?
None; Sussex Montessori School is a single-school charter district, and Sussex Montessori School is its only campus.