Wikipedia:Articles for deletion/Dominican Commercial High School
This was a sizeable school that lasted for decades and even has at least one famous alumna.  Sources exist: I added a couple that I found in a quick look through a few pages of the 250+ results shown in a search of Newspapers.com.  No reason to vary from our uniformly observed standard practice to keep articles about such schools, as described in 
— User:Arxiloxos, 04:25, 4 November 2016 (UTC)
Stance: keep
Cited policy: WP:OUTCOMES (Wikipedia:Deletion policy)