This research was aimed to find out the context, input, prosess, product, and effectiveness of tahfidz Al-quran in Islamic boarding schools of Taruna Alquran and Islamic Center Bin Baz (ICBB) Yogyakarta. This is an expose facto evaluation research carrying out qualitative approach with Context, Input, Process, and Product (CIPP) model to analyze the effectiveness of the program. The result shows that: (1) The evaluation of context toward the implementation of tahfidz al-qur’an program in Islamic boarding school of Islamic center Bin Baz (ICBB) indicates that the planning of tahfidz Al-Qur’an program does not undergo stages of context evaluation. (2) The Evaluation of input in Islamic boarding school of Taruna Al-Qur'an from input santriwati and order is good, but musyirfah human resource not yet good enough whereas ICBB from input of good order is good, but input human resource not yet musyrifah and santriwati not good enough yet. (3) The evaluation of process shows that the implementation of the program in Taruna Al-Qur’an Islamic boarding school has ran well and conducive, the supporting media and methods of the program have been good. Meanwhile, the implementation of the program in the Islamic boarding school of Islamic Center Bin Baz (ICBB) has not been well especially in the attendance of students and musyrifah. (4) The evaluation of learning outcome (product) in Taruna Al-Qur’an Islamic boarding school shows that this institution has achieved its target of Qur’an memorization up to 90%, while in the Islamic boarding school of Islamic Center Bin Baz (ICBB), the maximal target achieved is only 27%. (5) The effectiveness of tahfidz Al-Qur’an program in Taruna Al-Qur’an Islamic boarding school better than Islamic boarding school of Islamic Center Bin Baz ( ICBB) from quantities.