Daniell Middle School, 2900 Scott Road, Marietta: grades 6-8, 968 students in 2025, CCRPI 80.0. Zone, report card and bell times.

Last checked Oct. 6, 2026. Sources: the Daniell Middle website, the Cobb County School District’s attendance zones, feeder pattern chart, bell schedule and 2026-27 calendar, the Governor’s Office of Student Achievement’s 2025 School Grades data and the federal NCES school directory.

Daniell Middle School (J.J. Daniell Middle School) is a Cobb County School District middle school for sixth through eighth grade on Scott Road in northeast Cobb County, in the Sprayberry High School feeder pattern. Its mailing address says Marietta, but the address sits outside any city’s limits, in unincorporated Cobb County, according to the Census Bureau’s geocoder.

Who to call

Principal

Principal Amy Stump, according to the school’s website.

Enrollment and teachers

The state counted 968 students at Daniell Middle in its 2025 School Grades data, against 1,004 in 2024. The most recent federal figure, from the NCES directory for the 2023-24 school year, is 894 students and 56 full-time-equivalent teachers, about 16.0 students per teacher.

State report card

Daniell Middle’s 2025 CCRPI single score was 80.0, according to the state’s School Grades data. The Georgia average for middle schools was 78.4 and the Cobb County School District’s was 80.2. The school scored 65.9 in 2023 and 73.9 in 2024. Scores can move a lot from one year to the next at a single school. The full report card, with subgroups and the parts of the score, is on the state’s Daniell Middle 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-grade tests, 2025, share of tested students scoring Proficient and Distinguished, the two upper achievement levels:

Subject Proficient Distinguished
English language arts 37.1% 12.6%
Math 33.5% 14.7%
Science 34.9% 15%
Social studies 39.5% 11.7%

The same data put 61% of eighth graders reading at or above grade level.

Attendance zone

Zones are set by the district and do not follow ZIP codes. Check any address with the district’s school and bus locator, or open the district’s Daniell zone map (PDF) from its attendance zones page. The district says its posted maps “do not preclude any future changes” and asks families not to make a home purchase based on them alone.

The district’s feeder pattern chart, updated June 30, 2024, lists these elementary school zones feeding Daniell Middle: Addison Elementary (74% of its zone), Bells Ferry Elementary, Blackwell Elementary (63% of its zone), Chalker Elementary (30% of its zone), Kincaid Elementary (32% of its zone) and Sedalia Park Elementary (20% of its zone). The whole Daniell zone goes on to Sprayberry High.

We found no rezoning approved by the Board of Education that changes the Daniell zone for 2026-27; the district’s posted zone maps are labeled 2022-23 for high schools and 2023-24 for middle and elementary schools.

Calendar and bell times

The district’s 2026-27 bell schedule (PDF) has Daniell Middle starting at 9:15 a.m. and dismissing at 4:15 p.m. (all Cobb middle schools keep the same hours).

From the district’s 2026-27 calendar (PDF):

  • Monday, Oct. 12: digital learning day
  • Tuesday, Oct. 13, to Friday, Oct. 16: conference week, early release for elementary and middle schools only
  • Tuesday, Nov. 3: Election Day, student holiday
  • Nov. 23-27: Thanksgiving break
  • Thursday, Dec. 17, and Friday, Dec. 18: early release, all schools
  • Dec. 21 to Jan. 1: winter break; Monday, Jan. 4, is a student holiday
  • Wednesday, May 19, 2027: last day of school

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Frequently asked questions

What grades does Daniell Middle serve?

Sixth through eighth grade. The state counted 968 students in 2025.

What is Daniell Middle’s CCRPI score?

80.0 in 2025, according to the state’s School Grades data, against a Georgia middle school average of 78.4 and a Cobb County School District average of 80.2.

Which high school does Daniell Middle feed into?

Sprayberry High, according to the district’s feeder pattern chart.

What time does Daniell Middle start?

The district’s 2026-27 bell schedule has Daniell Middle starting at 9:15 a.m. and dismissing at 4:15 p.m.

Who is the principal of Daniell Middle?

Amy Stump, according to the school’s website on Oct. 6, 2026.