Emerald Academy, 220 Carrick St.: grades K-8, 451 students in 2024-25, state grade B. Office: 865-249-7223.

Last checked Oct. 18, 2026. Sources: www.emeraldacademy.org, Knox County Schools, the Tennessee Department of Education’s State Report Card and data files and the NCES school directory.

Emerald Academy is a public charter school for kindergarten to 8th grade at 220 Carrick St. in Knoxville. The school is inside Knoxville city limits.

Emerald Academy calls itself Knox County’s first public charter school: a free, independently operated K-8 college preparatory school run by Emerald Charter Schools, according to its website. Knox County Schools is its chartering authority, according to the district’s charter schools page.

Who to call

Address 220 Carrick St., Knoxville, TN 37921
Phone 865-249-7223
Grades K to 8
Operator Emerald Charter Schools, chartered by Knox County Schools
Students, 2024-25 (state count) 451
State letter grade, 2024-25 B

Enrollment and teachers

  • State count: 451 students in the 2024-25 school year, in the Tennessee Department of Education’s school profile file.
  • Federal count: 458 students in the 2023-24 school year, with 26 full-time-equivalent teachers, according to the NCES directory. That works out to about 18 students per teacher.

State report card

Tennessee gives most public schools an A-F letter grade. The Department of Education says the grades are meant “to provide a snapshot of how each school performed during the previous academic year,” according to its school letter grades page. The grade combines indicators scored from 1 to 5: student achievement, academic growth, growth of the highest-need students and, for high schools, college and career readiness.

Emerald Academy earned a B for 2024-25, the latest grades published, with an overall score of 3.7 out of 5 in the state’s letter grade file.

Indicator Score (1 to 5)
Achievement 2.4
Growth 5
Growth of highest-need students 5
Overall success rate, all students, 2024-25 tests 31%

Spring 2026 TCAP tests (share of students who met or exceeded expectations, all grades, from the state’s 2026 school assessment file):

Subject Met or exceeded Valid tests
English language arts 34.2% 304
Math 38.7% 284
Science 37% 303
Social studies 47.7% 151
Algebra I 45% 20

The full report, with chronic absence and results by student group, is on the State Report Card page for Emerald Academy.

Attendance zone and feeder schools

Emerald Academy has no attendance zone. Any eligible family can apply, and seats go by lottery when applications outnumber openings, according to the school’s enrollment page.

Calendar and bell times

From the school’s own calendar on its website:

  • Nov. 25-27: Thanksgiving break
  • Dec. 21 to Jan. 1: winter break
  • Monday, Jan. 18, 2027: Martin Luther King Jr. Day
  • March 8-12, 2027: spring break

Admission

How admission works: families apply through the school’s online enrollment system. The 2026-27 open enrollment window closed at 5 p.m. March 13, 2026, and if applications outnumber seats the school holds a lottery (the last one was March 17, 2026), according to its enrollment page. Questions go to the school at 865-249-7223.

More on Knoxville schools

Frequently asked questions

What grades does Emerald Academy serve?

Emerald Academy serves kindergarten to 8th grade. It is a public charter school at 220 Carrick St., Knoxville; the main office number is 865-249-7223.

What is Emerald Academy’s state letter grade?

Emerald Academy earned a B in Tennessee’s 2024-25 school letter grades, with an overall score of 3.7 out of 5, according to the Tennessee Department of Education.