PTSA may refer to: Kosrae International Airport, an airport serving Kosrae, the easternmost state of the Federated States of Micronesia by ICAO code p-Toluenesulfonic acid Parent-Teacher-Student Association Philippine Tiong Se Academy, the oldest Chinese school in the Philippines. (est. 1899)
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).