- Enrollment
- 3,085
- Students per teacher
- 18.8:1
- Resource Index
- 37/100
Other / mixed grade configuration · Marietta, GA
Timber Ridge Elementary School
Federal NCES profile for Timber Ridge Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 57/100.
2024-25 NCES dataOther / mixed grade configurationNCES 130129002110
👥 S:T ratio 44
🌟 Gifted program 70
🎓 Counselors 29
📋 Attendance 84
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Timber Ridge Elementary School earns 57/100 on the Resource Investment Index, with class sizes near the Georgia median.
- #3 of 30
- schools in Marietta · Resource Index
- 57
- Resource Index · Higher
- 13.9:1
- students per teacher
- 3.0%
- free-lunch eligible
Timber Ridge Elementary School has class sizes near the Georgia median. Computed live against every Georgia school reporting to NCES.
By Resource Investment Index, Timber Ridge Elementary School ranks #3 of 30 schools in Marietta, GA.
School address
CCD year-over-year · 2022-23 → 2023-24
+5 students YoY
Timber Ridge Elementary School held near 510 students from 2022-23 to 2023-24 (+5 headcount).
Teacher FTE added 38.9 → 39.6 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+5 students YoY 130129002110 · Marietta, GA Other · MID · TRAD
529 enr · 13.9:1 · 3.0% lunch · RII 57
Nearest enrollment peer: Campbell High School (3,085 students)
Timber Ridge Elementary School held near 510 students from 2022-23 to 2023-24 (+5 headcount). Teacher FTE added 38.9 → 39.6 across the same CCD years. Read with this school → · District book → · Georgia schools → · Find another →
Timber Ridge Elementary School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Campbell High
Campbell High School
3,085 students
- Osborne High S
Osborne High School
2,790 students
- Walton High Sc
Walton High School
2,705 students
- Pebblebrook Hi
Pebblebrook High School
2,574 students
- North Cobb Hig
North Cobb High School
2,463 students
- This school 529
Timber Ridge Elementary School
529 students
What this shows Timber Ridge Elementary School reports 529 students on the CCD universe file.
How Timber Ridge Elementary School compares
Timber Ridge Elementary School held steady on CCD headcount: ratios and free-lunch share vs Georgia and U.S. means.
| Metric | This school | vs Georgia | Georgia avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.9:1 | ▼ 3% | 14.4:1 | 15.7:1 |
| Free-lunch eligible | 3.0% | ▼ 95% | 60.7% | 51.7% |
| Enrollment | 529 | top 65% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.9:1
Leaner classes than 58% of US schools, a middle-of-the-pack class size.
529
Bigger than 65% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
3.0%
free-lunch eligible
- 95% below the Georgia average of 60.7%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
13.9:1
students per teacher
- 3% below state mean
Top 47% in Georgia - lower ratio than 53% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
6.4%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$14,680
per pupil, district-wide
- above Georgia avg of $14,615
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors1.5 FTE
Per 353 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 2 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.4 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 64.1%
Asian 14.4%
Hispanic or Latino 9.5%
African American 6.4%
Two or More 5.7%
Largest group: White at 64.1% of enrollment.
Student-body diversity index 55.2/100
Simpson diversity index - at 55.2, Timber Ridge Elementary School is more mixed than the Georgia school average of 50.0.
Programs
Gifted & talented Yes
District finance for Cobb County reports $14,680 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Timber Ridge Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Campbell High School | Larger | Higher economic need | Higher S:T ratio |
| Osborne High School | Larger | Higher economic need | Higher S:T ratio |
| Walton High School | Larger | Similar economic need | Higher S:T ratio |
| Pebblebrook High School | Larger | Higher economic need | Higher S:T ratio |
| North Cobb High School | Larger | Higher economic need | Higher S:T ratio |
Comparisons are relative to Timber Ridge Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,790
- Students per teacher
- 17:1
- Resource Index
- 44/100
- Enrollment
- 2,705
- Students per teacher
- 19.7:1
- Resource Index
- 43/100
- Enrollment
- 2,574
- Students per teacher
- 17.8:1
- Resource Index
- 38/100
- Enrollment
- 2,463
- Students per teacher
- 17.5:1
- Resource Index
- 39/100
Similar other schools in Marietta
6 comparable other schools (grades Mixed) serving the same city.
Sope Creek Elementary School
Standard public school
1,104 students 15.3:1 students per teacher
East Side Elementary School
Standard public school
1,072 students 13.9:1 students per teacher
Cheatham Hill Elementary School
Standard public school
1,021 students 13.4:1 students per teacher
Brumby Elementary School
Standard public school
963 students 12.3:1 students per teacher
Mount Bethel Elementary School
Standard public school
898 students 13.2:1 students per teacher
Dowell Elementary School
Standard public school
898 students 13:1 students per teacher
Nationwide other 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 (~529 students)
Frequently asked questions about Timber Ridge Elementary School
How many students attend Timber Ridge Elementary School?
Timber Ridge Elementary School has 529 students enrolled. It is a public school in Marietta, GA. CCD year-over-year: 505 (2022-23) → 510 (2023-24), nearly flat (+5).
What is the student-teacher ratio at Timber Ridge Elementary School?
The student-teacher ratio at Timber Ridge Elementary School is 13.9:1, which is 3% lower than the Georgia average of 14.4:1 and 11% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Timber Ridge Elementary School?
3.0% of students at Timber Ridge Elementary School are eligible for free lunch, compared to the Georgia average of 60.7%.
What is the racial and ethnic makeup of Timber Ridge Elementary School?
The largest demographic group at Timber Ridge Elementary School is White at 64.1% of enrollment, in Marietta, GA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 55.2/100.
What is the Resource Investment Index for Timber Ridge Elementary School?
Timber Ridge Elementary School has a Resource Investment Index of 57/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Timber Ridge Elementary School rank among schools in Marietta?
By Resource Investment Index, Timber Ridge Elementary School ranks #3 of 30 schools in Marietta, GA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Marietta on the city page.
What other schools are in Cobb County?
Besides Timber Ridge Elementary School, Cobb County also operates Campbell High School (3,085 students), Osborne High School (2,790 students), and Walton High School (2,705 students). See the Cobb County district page for the complete list.