IBDP Economics HL and SL private lessons Bogotá, Colombia. I am an experienced IB economics teacher with more than 9 years teaching the subject in Spanish and English both HL and SL, I am also an examiner with experience in EE, IA and external assessment (papers). I can help you with your IA's, general tutoring for improving learning outcomes or as general review and preparation for the examination sessions. HL and SL Economy in Bogotá, Colombia. I have been an IB economics teacher for more than 9 years and an external examiner for more than 5, with both internal and external experience. I can help you work on your internal exams, improve your performance at school or to review before exam sessions.