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What do students at Pebblebrook High School actually talk about outside of class?
Community prompt from u/allk12. Replies below.
Enrollment
2,574
High
DISTRICT 2,124 · STATE 1,120
SCHOOL COMMUNITY·COBB COUNTY·NCES 130129000559
Pebblebrook High School
991 Old Alabama Rd SW, Mableton, GA 30126 · (770) 819-2521 · Cobb County
GRADES 09–12HIGH21-SUBURBTITLE IREGULAR SCHOOL2,574 STUDENTS
Student : Teacher
17.1:1
151 FTE teachers
DISTRICT 16.9:1 · STATE 15.2:1
Free / Reduced Lunch
96%
2,483 students
DISTRICT 56% · STATE 74%
Community
6
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 9 | 768 | 30% |
| Grade 10 | 661 | 26% |
| Grade 11 | 547 | 21% |
| Grade 12 | 598 | 23% |
Student demographics
56%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 73% · STATE 71% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
School pathway
Based on published attendance-zone data from Cobb County. Zones change; confirm enrollment with the district.
Test scores
Georgia Milestones 2024-25 . % Proficient or DistinguishedMath
34.7%
GA avg 44.6% . +1.7pp since 2021
What this means: On the Georgia Milestones, Georgia's statewide test, about 35 of every 100 students at this school do math at grade level. The Georgia average is about 45 of 100. Math scores are up about 2 points since 2021.
Georgia Milestones results by year
| School year | Math |
|---|---|
| 2024-25 | 34.7% |
| 2023-24 | 34.0% |
| 2022-23 | 34.3% |
| 2021-22 | 33.0% |
% Proficient or Distinguished, all students and all tested grades.
Source: Georgia Milestones. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
30.4%
composite math + reading, all grades
Predicted
27.5%
based on GA schools with similar FRL share
Beats by
+2.9pp
above demographic expectation
What this means: About 30% of students here test proficient in math and reading, compared with the roughly 28% typical for Georgia schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Georgia's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Pebblebrook High School
Pebblebrook High School's state test result (30.4% proficient) is higher than 5 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Pebblebrook High School this school | 2,574 | 96.5% | 30.4% |
| Charles R. Drew High School Riverdale | 1,708 | 100.0% | 18.8% |
| South Cobb High School Austell | 2,081 | 90.3% | 28.6% |
| Forest Park High School Forest Park | 1,711 | 100.0% | 21.4% |
| Cedar Shoals High School Athens | 1,489 | 100.0% | 22.3% |
| Rome High School Rome | 1,986 | 88.7% | 23.6% |
Matched among Georgia high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Pebblebrook High School ranks
Among high schools| Measure | This school | In Georgia | In Cobb County |
|---|---|---|---|
| State test proficiency ranked highest first | 30.4% | #257 of 411 | #15 of 17 |
| Math proficiency ranked highest first | 34.7% | #224 of 417 ▲ 1 | #14 of 17 ▲ 1 |
| Enrollment ranked largest first | 2,574 | #23 of 480 | #4 of 19 |
| Students per teacher ranked fewest first | 17.1:1 | #291 of 413 | #9 of 17 |
| Diversity index ranked most diverse first | 56.4% | #191 of 413 | #12 of 17 |
| Free and reduced lunch ranked highest share first | 96.5% | #102 of 425 | #2 of 17 |
| Enrollment change since 2017-18 ranked fastest growth first | +0.2% | #225 of 226 | #10 of 10 |
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
2,574
+109 (+4%) vs 2020
+156% since 1990-91, when it was 1,006
Student : Teacher
17.1:1
was 17.2:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 2,574 | 150.5 | 17.1:1 | 96% (2,483) |
| 2023-24 | 2,574 | 152.5 | 16.9:1 | 82% (2,114) |
| 2022-23 | 2,511 | 145.1 | 17.3:1 | 70% (1,767) |
| 2020-21 | 2,465 | 143 | 17.2:1 | 65% (1,612) |
| 2017-18 | 2,570 | 139 | 18.5:1 | 72% (1,845) |
| 2015-16 | 2,524 | 120 | 21.0:1 | 73% (1,835) |
| 2010-11 | 2,103 | 118 | 17.8:1 | 72% (1,506) |
| 2000-01 | 1,496 | 103 | 14.5:1 | 26% (392) |
| 1990-91 | 1,006 | 61 | 16.5:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Pebblebrook High School.
Since 2017-18: students unchanged (2,570 to 2,574); teachers up 8% (139 to 150.5).
About Pebblebrook High School
Pebblebrook High School is a high-enrollment high school in Georgia, with an address in Mableton. The student body numbers 2,574 students, from grades 9 through 12. Average enrollment for high schools in Georgia is about 1,120, so this school runs 130% larger than that.
Cobb County has 105,738 students spread across 110 schools.
Federal enrollment data show Black students as the largest group at Pebblebrook High School, at 48%. Other reported shares: 45% Hispanic, 4% White, and 2% multiracial. Cobb County's residents are about 27% Black, 21 points below the school's share. The school's diversity index is 56%, meaning two students picked at random have a 56% chance of belonging to different racial or ethnic groups.
Teachers at Pebblebrook High School total 150.5 full-time equivalents, and the ratio is 17.1:1. That is 1.9 students per teacher above the 15.2:1 average for high schools in Georgia. Federal records put free or reduced-price lunch eligibility at 96%. The average for public schools in Cobb County is 53%.
Based on student poverty, the model expects 27.5% at Pebblebrook High School; the school's average proficiency rate on state tests is 30.4%.
According to the American Community Survey, in Cobb County, the median household income is $102,738, the share of adults with a bachelor's degree or higher is 51%, and roughly 6% of residents are in poverty. Pebblebrook High School is one of 129 public schools in the county.
The nearest other public school, Clay-Harmony Leland Elementary School, is about 0.8 miles away. Inside a five-mile radius, there are at least 8 other public schools. Compared with its nearest neighbors, Pebblebrook High School ranks 4th of 9 on average proficiency.
The school is in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more, according to its NCES locale (Suburb: Large).
The school enrolled 2,574 students in 2024-25, 109 more than the 2,465 it had in 2020-21.
Conversations here can range across school safety, transportation, and start times. Posting is open to anyone connected to the school.
Cobb County at a glance
View full county profilePopulation
775,208
Census ACS
Median income
$102,738
Household, ACS
Bachelor's+
51%
Adults 25+
Poverty rate
6%
Below federal line
Schools in county
129
116,609 students
Quick facts
Related schools
Other schools in Cobb County
- Campbell High SchoolHigh · 3,085 students
- Osborne High SchoolHigh · 2,790 students
- Walton High SchoolHigh · 2,705 students
- North Cobb High SchoolHigh · 2,463 students
- Wheeler High SchoolHigh · 2,401 students
- Hillgrove High SchoolHigh · 2,282 students
Other schools in Mableton
- Clay-Harmony Leland Elementary SchoolElementary · 1,013 students
- Mableton Elementary SchoolElementary · 945 students
- Lindley Middle SchoolMiddle · 905 students
- City View Elementary SchoolElementary · 870 students
- Bryant Elementary SchoolElementary · 865 students
- Floyd Middle SchoolMiddle · 776 students
Nearby schools
- Clay-Harmony Leland Elementary School0.8 mi · 1,013
- Bryant Elementary School1.0 mi · 865
- Mableton Elementary School1.3 mi · 945
- Riverside Elementary School1.5 mi · 471
- City View Elementary School1.6 mi · 870
- Lindley Middle School1.7 mi · 905
Frequently asked questions
About Pebblebrook High SchoolHow many students attend Pebblebrook High School?
Pebblebrook High School enrolls approximately 2,574 students in grades 09-12.
Is Pebblebrook High School an elementary, middle, or high school?
Pebblebrook High School is a high school covering grades 09-12.
How many teachers does Pebblebrook High School have?
Pebblebrook High School employs 151 FTE teachers, for a student-to-teacher ratio of 17.1:1.
How diverse is Pebblebrook High School?
Pebblebrook High School reports a student body of 4% White, 45% Hispanic, 48% Black, 0% Asian, 2% Two or more.
Who oversees Pebblebrook High School?
Pebblebrook High School is overseen by Cobb County in Cobb County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.