Another question about a sentence in Spanish using the Preterite or Imperfect past tenses. Can you help?

If I said this would it be in the Preterite or the Imperfect? "I studied Spanish in high school and college". I am iffy on this but I would say Pretirite because High school has ended (hence a completed action) and so has my learning at the University. So it'd be something like "Estudie' espanol en escuela secondaria y a la Universidad". Tell me what you think.