Key Middle School is located at 4000 Kelley St., Houston, TX 77026. The campus serves students in grades 6 through 8. Enrollment is reported at about 554 students. The student–teacher ratio is approximately 11:1. The student population includes roughly 55% male and 45% female students. According to state assessment data, about 19% of students score at or above the proficient level in mathematics, while approximately 33% reach proficiency in reading on Texas state assessments. The school operates as a district middle school within the Houston Independent School District and provides standard middle-grade instruction that includes core academic subjects along with electives such as fine arts, athletics, and technology classes. The Houston Independent School District oversees a large urban public school network that serves students across many neighborhoods throughout the Houston metropolitan area. Housing prices in neighborhoods near the Kelley Street corridor commonly average around $220,000, depending on property size and location. The campus curriculum structure follows academic benchmarks and instructional standards similar to those applied across many of the best middle schools in Texas.