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#141 of 219 schools in DE

Sussex Montessori School

Elementary School · Sussex Montessori School · Seaford, DE

A charter elementary school in Seaford, DE where students score 17 points below what's typical for similar communities.

Charter

24970 Dairy Lane, Seaford, DE 19973

  • Math 13% vs DE 40% (2025)
  • Reading 18% vs DE 42% (2025)
  • 20:1 student-teacher ratio

Academics

Full Profile · 3/3 metrics
Student Progress9.1Excellent50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data6
Annual Change-0.53 pts/yr
Data Period2020–2025
TrendStable
Academics3.1Needs Improvement30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency11.5% (2025 DESSA)
Reading/ELA Proficiency17.3% (2025 DESSA)
Math vs. State Avg-24.5 pts
Reading vs. State Avg-19.1 pts
Overall Proficiency14% (2025 DESSA, Math+ELA)
Expected (poverty-adj.)31% (model expectation from 2025 DESSA)
vs. Expected-16.6 pts
Adjusted Percentile13th
Resources & Environment1.4Needs Improvement20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio20:1
District spending per student$12,633
Chronic Absenteeism32.1%

Students at Sussex Montessori School score 14% proficient, which is below what's typical for similar communities (expected: 31%).

How we calculate scores →

2025 DESSA proficiency

Most recent published year. School vs. DE average.

Math Proficiency13%(2025 DESSA)
School
State
40%(2025 DESSA)
ELA Proficiency18%(2025 DESSA)
School
State
42%(2025 DESSA)

Trend

↓ Declining

Proficiency has fallen 7 points since 2022, to 15% in 2025, across a 6-year record (2020–2025).

Show all 6 years by subject
2020*
Math
15%
ELA
25%
2021*
Math
14%
ELA
22%
2022
Math
18%
ELA
28%
2023
Math
19%
ELA
22%
2024
Math
18%
ELA
30%
2025
Math
13%
ELA
18%

Multi-year averages used by the rating model: math 16% (multi-year average, 2020-2025) · reading/ELA 24% (multi-year average, 2020-2025)

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Based on 31 test records from DE state assessments and EdFacts (NCES).

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

See how we rate

The neighborhood

Where Sussex Montessori School sits, and what the surrounding area looks like.

Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries.

Getting around & local context

  • Walk 30Car-Dependent
  • Bike 34Somewhat Bikeable
  • City Safety: High5,701/100K

Powered byWalk Score

FBI Uniform Crime Reporting · 2024 · city context (Seaford), not school-level safety or attendance eligibility. Source details

Source period: 2024. Freshness not available.

Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)

Median income

$62,668

Median home value

$254,300

Median rent

$1,131/mo

College educated

17.9%

Homeownership

73.1%

Poverty rate

16.4%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 19973; this is area context, not an attendance boundary.

Compare nearby

Nearby same-level schools

3 from a 5-mile search

SchoolScoreGradesDistanceEnrollmentCompare
West Seaford Elementary SchoolEnrollment path unverified8.3K–20.4 mi427Compare →
Seaford Central Elementary SchoolEnrollment path unverified7.63–51.3 mi448Compare →
Sussex Orthopedic ProgramEnrollment path unverifiedNot ratedPK–121.3 mi66Compare →

Distance is proximity only; it is not attendance eligibility.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

Sussex Montessori School

Schools in district
1
Rank in district
#1 of 1
District spending per student
$12,633NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
The source release did not match this district identifier.

Sussex Montessori School is listed in Sussex Montessori School; a district label does not verify attendance for an address.

About Sussex Montessori School

Sussex Montessori School is a public elementary school in Seaford, DE, part of Sussex Montessori School, serving approximately 439 students in grades Kindergarten-6th with a 20:1 student-teacher ratio. It holds a MySchoolScout rating of 5.8 out of 10 and ranks #141 of 219 schools in DE. State assessment records show 16% math proficiency (multi-year average, 2020-2025) and 24% reading/ELA proficiency (multi-year average, 2020-2025).

Frequently asked questions

Common questions about Sussex Montessori School

What grades does Sussex Montessori School serve?

Sussex Montessori School serves students in grades Kindergarten through 6th.

How many students attend Sussex Montessori School?

Sussex Montessori School has an enrollment of approximately 439 students.

What is the student-teacher ratio at Sussex Montessori School?

The student-teacher ratio at Sussex Montessori School is 20:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Sussex Montessori School rank in DE?

Sussex Montessori School ranks #141 of 219 schools in DE.

What is Sussex Montessori School's MySchoolScout rating?

Sussex Montessori School has a current MySchoolScout rating of 5.8 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Sussex Montessori School?

Based on loaded state assessment records, Sussex Montessori School has 16% math proficiency (multi-year average, 2020-2025) and 24% reading/ELA proficiency (multi-year average, 2020-2025).

Is Sussex Montessori School a charter school?

Yes, Sussex Montessori School is a charter school. Charter schools are publicly funded but independently operated, often with more flexibility in curriculum and teaching methods.

Is Sussex Montessori School a Title I school?

No, Sussex Montessori School is not currently a Title I school.

School factsNCES Common Core of Data (CCD) (SY 2023–24)

Grades
Kindergarten – 6th
Enrollment
439
Student-Teacher Ratio
20:1
Teachers (FTE)
22
Type
regular
Setting
Fringe Rural
County
Sussex County
Chronic Absenteeism (SY 2022-23)
32.1%
Area population (ZIP 19973)
25,786
Area average commute
28.7 min
Area median age
42.9
About this school's data

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2025 DESSA · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2025 DESSA. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2025 DESSA · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2025 DESSA. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
State assessments · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 19973; this does not measure the attendance area.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2020-2025; directory SY 2023–24

About our data · How we calculate scores

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