Average
#884 of 2,268 schools in GA
Top 39% in state
Kell High School
High School · Cobb County · Marietta, GA
A Cobb County high school serving grades 9th – 12th.
4770 Lee Waters Rd, Marietta, GA 30066
- Math 50% vs GA 42% (2024)
- Reading 61% vs GA 42% (2024)
- 89.0% 4-year graduation
Academics
Full Profile · 4/4 metricsView breakdown
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Students at Kell High School score 55% proficient, which is above what's typical for similar communities (expected: 54%).
2024 GA proficiency
Most recent published year. School vs. GA average.
Trend
↑ RecoveringProficiency declined earlier in the 16-year record (2009–2024), then recovered 31 points since 2020, reaching 55% in 2024.
Show all 15 years
Multi-year averages used by the rating model: math 55% (multi-year average, 2009-2024) · reading/ELA 65% (multi-year average, 2009-2024)
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Based on 30 test records from GA state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
43.7%
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 rateThe neighborhood
Where Kell High School sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the Atlanta map →
Getting around & local context
- Walk 19Car-Dependent
- Bike 21Somewhat Bikeable
- City Safety: High2,114/100K
Powered by
FBI Uniform Crime Reporting · 2024 · city context (Marietta), 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
$112,067
Median home value
$373,500
Median rent
$1,760/mo
College educated
53.1%
Homeownership
75.9%
Poverty rate
6.9%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 30066; this is area context, not an attendance boundary.
Programs & students
Programs & Offerings
Compare nearby
Nearby same-level schools
4 from a 5-mile search; district fallback available
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Shiloh Hills Christian SchoolPrivate · tuition | 9.0private | PK–12 | 2.2 mi | 108 | Compare → |
| Lassiter High SchoolEnrollment path unverified | 8.2 | 9–12 | 2.7 mi | 1,949 | Compare → |
| Woodstock High SchoolEnrollment path unverified | 7.0 | 9–12 | 3.0 mi | 2,002 | Compare → |
| Sprayberry High SchoolEnrollment path unverified | 6.5 | 9–12 | 3.8 mi | 1,799 | Compare → |
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.
Cobb County
- Schools in district
- 110
- Rank in district
- #65 of 110
- District spending per student
- $14,680NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 9.1%Census SAIPE · 2024
Kell High School is listed in Cobb County; a district label does not verify attendance for an address.
About Kell High School
Kell High School is a public high school in Marietta, GA, part of Cobb County, serving approximately 1,582 students in grades 9th-12th with a 17.6:1 student-teacher ratio. It holds a MySchoolScout rating of 6.9 out of 10 and ranks #884 of 2,268 schools in GA. State assessment records show 55% math proficiency (multi-year average, 2009-2024) and 65% reading/ELA proficiency (multi-year average, 2009-2024).
Frequently asked questions
Common questions about Kell High School
What grades does Kell High School serve?
Kell High School serves students in grades 9th through 12th.
How many students attend Kell High School?
Kell High School has an enrollment of approximately 1,582 students.
What is the student-teacher ratio at Kell High School?
The student-teacher ratio at Kell High School is 17.6:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Kell High School rank in GA?
Kell High School ranks #884 of 2,268 schools in GA.
What is Kell High School's MySchoolScout rating?
Kell High School has a current MySchoolScout rating of 6.9 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 Kell High School?
Based on loaded state assessment records, Kell High School has 55% math proficiency (multi-year average, 2009-2024) and 65% reading/ELA proficiency (multi-year average, 2009-2024).
Is Kell High School a charter school?
No, Kell High School is not a charter school. It is a traditional public school operated by the local school district.
Is Kell High School a Title I school?
No, Kell High School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Kell High School?
43.7% of students at Kell High School 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
- 9th – 12th
- Enrollment
- 1,582
- Student-Teacher Ratio
- 17.6:1
- Teachers (FTE)
- 90
- Type
- regular
- Setting
- Large Suburb
- County
- Cobb County
- Chronic Absenteeism (SY 2022-23)
- 25.9%
- Phone
- (678) 494-7844
- 4-Year Graduation
- 89.0%
- Area population (ZIP 30066)
- 60,961
- Area average commute
- 28.5 min
- Area median age
- 38.5
Official sources & links
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 · 2024 GA · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: 2024 GA. A newer release may be available.
- Derived from source records rather than read directly from one field.
- Reading/ELA proficiency
- State department of education · 2024 GA · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: 2024 GA. A newer release may be available.
- 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 30066; 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, 2009-2024; directory SY 2023–24
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