William McKinley I.S. 259 is a large Title 1 middle school, located in the southwestern section of Brooklyn, New York, and is part of Community School District 20. The school serves approximately 1,600 students in Grades 6–8.

Fifteen percent (15%) of students, totaling 241, are students with disabilities (SWD), and 13.5% percent, totaling 216, are English language learners (ELL). We have a diverse student population comprised of 49% Asian, 24% White, 23% Hispanic, and 1% Black. The number of students that qualify for ‘free or reduced lunch’ is 1136, totaling 71% of the student body). The student body is comprised of 862 males (54%) and 737 females (46%).

We are currently in our 3rd year of being a Recognition School 

(with the prior 6 years being in "Good Standing").