Georgia’s graduation rate reached an all-time high this year, data shows.
The rate grew 6 percentage points since last year to reach 78.8 percent.
Officials have attributed this increase to cleaner records, the retirement of the Georgia High School Graduation Test and new data systems that identify struggling kids early.
Despite the significant increase in the state's graduation rate, tens of thousands of students are still failing to earn a diploma.
Click here to learn the 2015 top 10 Georgia high school with the highest graduation rates.
The average graduation rate for 16 Cobb County high schools was 81 percent, up from 78 percent in 2014.
Cobb County high schools with the highest graduation rates in 2015
1. Harrison High School (94%)
1. Lassiter High School (94%)
1. Walton High School (94%)
Even through Harrison, Lassiter and Walton tied for first, Harrison fell from 96 percent in 2014 to 94 percent in 2015. Meanwhile, Lassiter and Walton both saw their graduation rates increase since last year.
4. Pope High School (92%)
5. Hillgrove High School (91%)
