Conversation so far:
what is the new name of desert schools federal credit union
Desert Schools Federal Credit Union officially changed its name to Desert Financial Credit Union.
why did desert schools federal credit union change its name
Desert Schools Federal Credit Union changes its name because people thought that the credit union only served teachers and students.

Question: how did the credit union find out what people thought
Self-contained rewrite: how did desert schools federal credit union find out that people thought only teachers and students cound bank there