English to English

noun (n)

• an acquaintance that you go to school with

  kenalan yang anda pergi ke sekolah dengan

  Synonym:
  class fellow, schoolfellow, schoolmate
  

  source: wordnet30
• One who is in the same class with another, as at school or college.

  orang yang di kelas yang sama dengan yang lain, seperti di sekolah atau kampus.

  source: webster1913