ABSTRAKPhilosophy and education have a very close relationship so that properly thinkers of philosophy respond to various problems regarding education include the education system in pesantren. This journal is intended to dissect and explore the education system of pondok pesantren both traditional and modern pesantren. Searching a philosophical foundation within it to be able to understand the deepest meaning of an education system in pesantren. Traditional pesantren organizes non-classical Islamic education with bandongan and sorogan methods in learning classical books (yellow books) by ulama in middle ages. The traditional pesantren holds the philosophy of perennialism, idealism, and essentialism. Among the famous traditional pesantren t...