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Average

#794 of 1,176 schools in SC

Mt. Zion Elementary

Elementary School · Charleston 01 · Johns Island, SC

A Charleston 01 elementary school serving grades Pre-K – 5th.

3464 River Road, Johns Island, SC 29455

  • Math 37% proficient (2022)
  • Reading 32% proficient (2022)
  • 11.1:1 student-teacher ratio

Academics

Full Profile · 3/3 metrics
Student Progress3.7Needs Improvement50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data14
Annual Change-4.32 pts/yr
Data Period2009–2022
TrendDeclining
Academics5.5Average30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency37% (2022 EdFacts)
Reading/ELA Proficiency32% (2022 EdFacts)
Overall Proficiency35% (2022 EdFacts, Math+ELA)
Expected (poverty-adj.)36% (model expectation from 2022 EdFacts)
vs. Expected-1.8 pts
Adjusted Percentile37th
Resources & Environment9.5Excellent20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio11.1:1
District spending per student$16,635
Chronic Absenteeism17.1%

Students at Mt. Zion Elementary score 34% proficient, which is below what's typical for similar communities (expected: 36%).

How we calculate scores →

2022 EdFacts proficiency

Most recent published year. School vs. SC average.

Math Proficiency37%(2022 EdFacts)
School
State
Not reported(2022 EdFacts)
ELA Proficiency32%(2022 EdFacts)
School
State
Not reported(2022 EdFacts)

Trend

→ Steady

Proficiency is down 55 points across the 14-year record (2009–2022) and has held near 35% recently.

Show all 14 years
2009
Math
87%
ELA
92%
2010
Math
77%
ELA
82%
2011
Math
67%
ELA
72%
2012
Math
57%
ELA
72%
2013
Math
57%
ELA
62%
2014
Math
42%
ELA
22%
2015
Math
32%
ELA
37%
2016
Math
37%
ELA
32%
2017
Math
42%
ELA
32%
2018
Math
37%
ELA
27%
2019
Math
37%
ELA
27%
2020*
Math
37%
ELA
32%
2021*
Math
37%
ELA
32%
2022
Math
37%
ELA
32%

Multi-year averages used by the rating model: math 49% (multi-year average, 2009-2022) · reading/ELA 47% (multi-year average, 2009-2022)

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

Based on 28 test records from SC state assessments and EdFacts (NCES).

Equity & diversity

Shown separately, not included in the overall score

Free/reduced lunch

100%

Students qualifying for federal meal assistance

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 Mt. Zion Elementary 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 3Car-Dependent
  • Bike 30Somewhat Bikeable
  • County Safety: Low220/100K

Powered byWalk Score

FBI Uniform Crime Reporting · 2024 · county context, not school-level safety or attendance eligibility. Source details

Source period: 2024. A newer release may be available.

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

Median income

$117,422

Median home value

$499,500

Median rent

$1,489/mo

College educated

56.8%

Homeownership

86.3%

Poverty rate

9.3%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 29455; this is area context, not an attendance boundary.

Programs & students

Programs & Offerings

Gifted & Talented ProgramAvailable
This school offers a gifted and talented program for qualifying students.·CRDC via Urban Institute · SY 2021–22

Compare nearby

Nearby same-level schools

4 from a 5-mile search; district fallback available

SchoolScoreGradesDistanceEnrollmentCompare
Charleston Collegiate SchoolPrivate · tuition7.5privatePK–122.6 mi269Compare →
James Island ElementaryEnrollment path unverified6.9PK–54.3 mi616Compare →
Angel Oak ElementaryEnrollment path unverified6.9PK–54.7 mi776Compare →
Belle Hall ElementaryEnrollment path unverified8.5PK–5Not available657Compare →

Distance is proximity only; it is not attendance eligibility.

Private · tuition: Potential private option; tuition and admission requirements have not been verified.

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

Public and private scores come from different models and are shown side by side, not blended into one ranking.

Charleston 01

Schools in district
82
Rank in district
#53 of 79
District spending per student
$16,635NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
13.8%Census SAIPE · 2024

Mt. Zion Elementary is listed in Charleston 01; a district label does not verify attendance for an address.

About Mt. Zion Elementary

Mt. Zion Elementary is a public elementary school in Johns Island, SC, part of Charleston 01, serving approximately 299 students in grades Pre-K-5th with a 11.1:1 student-teacher ratio. It holds a MySchoolScout rating of 5.4 out of 10 and ranks #794 of 1,176 schools in SC.

State assessment records show 49% math proficiency (multi-year average, 2009-2022) and 47% reading/ELA proficiency (multi-year average, 2009-2022).

Frequently asked questions

Common questions about Mt. Zion Elementary

What grades does Mt. Zion Elementary serve?

Mt. Zion Elementary serves students in grades Pre-K through 5th.

How many students attend Mt. Zion Elementary?

Mt. Zion Elementary has an enrollment of approximately 299 students.

What is the student-teacher ratio at Mt. Zion Elementary?

The student-teacher ratio at Mt. Zion Elementary is 11.1:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Mt. Zion Elementary rank in SC?

Mt. Zion Elementary ranks #794 of 1,176 schools in SC.

What is Mt. Zion Elementary's MySchoolScout rating?

Mt. Zion Elementary has a current MySchoolScout rating of 5.4 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 Mt. Zion Elementary?

Based on loaded state assessment records, Mt. Zion Elementary has 49% math proficiency (multi-year average, 2009-2022) and 47% reading/ELA proficiency (multi-year average, 2009-2022).

Is Mt. Zion Elementary a charter school?

No, Mt. Zion Elementary is not a charter school. It is a traditional public school operated by the local school district.

Is Mt. Zion Elementary a Title I school?

No, Mt. Zion Elementary is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Mt. Zion Elementary?

100.0% of students at Mt. Zion Elementary qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

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

Grades
Pre-K – 5th
Enrollment
299
Student-Teacher Ratio
11.1:1
Teachers (FTE)
27
Type
regular
Setting
Fringe Rural
County
Charleston County
Chronic Absenteeism (SY 2022-23)
17.1%
Area population (ZIP 29455)
26,308
Area average commute
29.6 min
Area median age
51.6
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 · 2022 EdFacts · Low confidence
  • Older source: 2022 EdFacts. Use as historical context.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2022 EdFacts · Low confidence
  • Older source: 2022 EdFacts. Use as historical context.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
NCES EdFacts · 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 29455; this does not measure the attendance area.
Programs (AP/IB, athletics, gifted)
CRDC via Urban Institute · SY 2021–22 · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: SY 2021–22. A newer release may be available.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2022; directory SY 2023–24

About our data · How we calculate scores

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