Discovery High, 1335 Old Norcross Road: grades 9-12, 2,946 students in 2025, CCRPI 68.9, 83.4% graduation rate. Zone, feeders and the 7:05 a.m. start.

Last checked Oct. 6, 2026. Sources: the Discovery High website, Gwinnett County Public Schools’ school directory, Find My School tool, zone map data published by Gwinnett County, 2026-27 calendar, the Governor’s Office of Student Achievement’s 2025 School Grades data, the Georgia High School Association and the federal NCES school directory.

Discovery High School is a Gwinnett County Public Schools high school whose zone takes in a small part of Lawrenceville. It teaches ninth through 12th grade on Old Norcross Road, inside Lawrenceville city limits, and is in the district’s Discovery Cluster. Its teams are the Titans.

Who to call

Principal

Principal Robert Maffeo, according to the school’s website and the district’s school directory.

Enrollment and teachers

The state counted 2,946 students at Discovery High in its 2025 School Grades data. The most recent federal figure, from the NCES directory for the 2023-24 school year, is 2,730 students and 175 full-time-equivalent teachers, about 15.6 students per teacher.

State report card

Discovery High’s 2025 CCRPI single score was 68.9, according to the state’s School Grades data. The Georgia average for high schools was 76.9 and Gwinnett County Public Schools’ was 77.8. The school’s single score was 67.5 in 2023, 68.3 in 2024 and 68.9 in 2025. Its four-year graduation rate was 83.4% in 2025, against 87.2% for Georgia and 85.4% for the district. The full report card, with subgroups and the parts of the score, is on the state’s Discovery High report card.

CCRPI is the Georgia Department of Education’s “comprehensive school improvement, accountability, and communication platform,” according to GaDOE. The single score runs from 0 to 100 and is built from content mastery, progress, closing gaps and readiness, plus graduation rate for high schools. Georgia does not publish an A-to-F letter grade for schools in its 2025 data.

Georgia Milestones end-of-course tests, 2025, share of tested students at each of the two top levels:

Subject Proficient Distinguished
English (American literature) 31.1% 5.4%
Math (algebra) 24.9% 14.1%
Science (biology) 29.8% 6%
Social studies (U.S. history) 27% 21.4%

Attendance zone

Zones are set by Gwinnett County Public Schools and do not follow city limits. Check any address with Find My School; the district’s Discovery Cluster map (PDF) shows the cluster’s school zones.

By our match of Gwinnett County’s address data to the district’s zone map, which the county last updated on Oct. 2, 2026, Discovery High’s zone covers 178 of the 14,152 addresses inside Lawrenceville city limits, about 1%. In all, inside and outside the city, it covers about 17,937 addresses with a Lawrenceville mailing address. Our neighborhoods guide shows which parts of the city each school serves.

Students in the Discovery High zone come up through Richards Middle, fed by Alford, Baggett, Benefield and Cedar Hill elementary schools, according to the district’s zone map data.

We found no rezoning approved by the Board of Education that changes this zone. Gwinnett County Public Schools paused its multi-year redistricting plan effective Sept. 23, 2026, and says it will not redraw attendance boundaries for the 2027-28 school year; it plans community conversations in the second semester.

The school organizes students into academies: a 9th Grade Academy, then Business and Entrepreneurship, Fine Arts, Global, Health and Human Services, and STEM, plus a Life Skills Academy. Its academics pages also list Advanced Placement, dual enrollment, gifted services and work-based learning.

Sports and activities

Discovery High plays in Region 8-AAAAAAA of the Georgia High School Association for 2026-27, according to the GHSA region alignment, with Buford, Central Gwinnett, Collins Hill, Dacula, Mill Creek and Seckinger. Schedules and results: our Friday night football page and the scoreboard.

The school’s athletics page lists these teams:

  • Football, girls flag football, cheerleading
  • Baseball, softball
  • Basketball, volleyball
  • Cross country, track and field
  • Golf, tennis
  • Soccer, swimming and diving
  • Wrestling
  • Esports

Calendar

From the district’s 2026-27 student calendar (PDF) (all district dates on the calendar page):

  • Monday, Oct. 12, to Friday, Oct. 16: fall break, no school
  • Tuesday, Nov. 3: Election Day; a Digital Learning Day, when students learn from home
  • Nov. 23-27: Thanksgiving break
  • Dec. 16-18: early release for high school exams
  • Dec. 21 to Jan. 4: winter break; the second semester begins Tuesday, Jan. 5, 2027
  • April 5-9, 2027: spring break
  • Wednesday, May 26, 2027: last day of school

Bell times

The district’s school directory lists student hours of 7:05 a.m. to 2:10 p.m.

More

Frequently asked questions

What is Discovery High School’s CCRPI score?

68.9 in 2025, according to the state’s School Grades data, against a Georgia high school average of 76.9. It was 68.3 in 2024.

What is Discovery High School’s graduation rate?

83.4% for the four-year cohort in 2025, according to the state’s data, against 87.2% for Georgia and 85.4% for Gwinnett County Public Schools.

What time does Discovery High School start?

7:05 a.m., with dismissal at 2:10 p.m., according to the district’s school directory.

What region is Discovery High School in?

Region 8-AAAAAAA of the Georgia High School Association for 2026-27, with Buford, Central Gwinnett, Collins Hill, Dacula, Mill Creek and Seckinger.

Who is the principal of Discovery High School?

Robert Maffeo, according to the district’s school directory and the school’s website on Oct. 6, 2026.