Founded in 1918, Jit Sin High School (Malay: Sekolah Menengah Jenis Kebangsaan Jit Sin; simplified Chinese: 日新国民型中学; traditional Chinese: 日新國民型中學; Pe̍h-ōe-jī: Ji̍t-sin kok-bîn-hêng tiong-o̍h) is a co-educational Chinese vernacular secondary school in Bukit Mertajam, Penang.