Principia Knowledge Academy provides tutoring in Costa Rica to students seeking to improve their school performance.
SAT Exam:
All those interested in studying in the United States should take this admission exam, since it is required for practically all universities in the United States.
It is a test that tests reading, writing, grammar, and math. All in English.
TOEFL Test:
The TOEFL is a test that measures fluency and knowledge in the English language.
