The correct spelling of the phrase "study at principal" is actually "study abroad program." The word "principal" is a homophone, meaning it sounds the same as another word but has a different meaning and spelling. The IPA transcription for "study abroad program" is /ˈstʌdi əˈbrɔd ˈproʊɡræm/. It is important to always double-check the spelling and meaning of words to avoid confusion and miscommunication.