almamater
nounUK /ˌæl.məˈmɑː.tər/
US /ˌæl.məˈmɑː.tɚ/
The school or college where you studied and graduated.
She returned to her almamater for the reunion.
OTHER MEANINGS
2. A school's official song or anthem.
The students sang the almamater at the ceremony.
3. The official song of a particular school or college.
Everyone stood to sing the almamater.
4. A person's former school, college, or university.
He donated money to his almamater.