Another overview.  Adds a DoE spokesperson quote.

According to New York City Department of Education spokesman Will Mantell, the citywide average GPA of students in the top 7 percent of their classes is 94 out of 100, the same average GPA of students offered a spot at the elite high schools. Additionally, he said their state test scores are comparable, an average of 3.9 out of 4.5 for the top 7 percent versus 4.1 for those admitted to the specialized high schools.

https://www.cityandstateny.com/articles/policy/education/nyc-specialized-high-schools-and-race.html