Rokhmad, Abu2019-09-252019-09-252016-06-302012-05http://hdl.handle.net/20.500.12424/154285This article tries to elucidate the spread of Islamic radicalism in educational institutions i.e. senior high school in Semarang Central Java and offers some strategies to prevent it or de-radicalization. As a finding, the author shows that educational institutions are supposedly not immune from the influence of radical ideology. This research concluded that: (1) Some teachers acknowledged that the concept of radical Islam may have been spread among students because of their lack of religious knowledge; (2) The units of Islamic study in the schools are progressing well but there is no guarantee of immune from radicalism since most of the learning process is released to a third sides; (3) In the textbooks and worksheets there are various statements that may encourage students to hate other religions and other nations. It can be concluded that the strategy of de-radicalization may be implemented are preventive de-radicalization and preservative de-radicalization of moderate Islam, and curative de-radicalization.indWith permission of the license/copyright holderderadicalizationPAIradicalismPolitical ethicsEthics of lawRights based legal ethicsPeace ethicsReligious ethicsSpirituality and ethicsMethods of ethicsPhilosophical ethicsCommunity ethicsEducation and ethicsJournal volume