All tutors (teacher trainers) have the advanced Cambridge Diploma in English Language Teaching to Adults (DELTA), or the Diploma in Teaching English as a Foreign Language to Adults (DTEFLA), a sound background of theoretical knowledge, and years of practical classroom experience with monolingual and multilingual groups at all levels. Cambridge ESOL follows strict standards for approving CELTA tutors.

International House Palermo's team of fully qualified and dedicated CELTA tutors combines practical teaching experience in most regions of the world. Their qualifications ensure that International House Palermo CELTA courses incorporate a wide range of teaching principles and practical classroom techniques.