Mark Twain I.S. 239 for the Gifted & Talented
2401 NEPTUNE AVENUE, NY · District 21 · Brooklyn
G&T
How does PS 239 compare?Compare with another school
According to adulting.nyc analysis of NYC DOE data: Mark Twain I.S. 239 for the Gifted & Talented (PS 239) is a junior high-intermediate-middle school in Seagate-Coney Island, District 21. Average class size: 23.1 students. Math proficiency: 83.5%. ELA proficiency: 88.1%. This school offers a Gifted & Talented program. A free school comparison tool is available at adulting.nyc/compare.(NYC DOE Open Data, NYSED, 2023)
Overview
Mark Twain I.S. 239 for the Gifted & Talented is a junior high-intermediate-middle school in Seagate-Coney Island, serving grades 06, 07, 08. Located in District 21, Brooklyn, the school enrolls — students with an average class size of 23.1.(NYC DOE Open Data, 2025-26, dataset: wg9x-4ke6) Math proficiency stands at 83.5%, compared to a citywide average of approximately 45%.(NYSED School Report Card, 2025)
⭐ This school has a Gifted & Talented program. Learn more →
Zone Information
Zone map and boundary details coming soon. Use the Zone Checker to see if your address is zoned for this school.