SMK Jitra or officially Sekolah Menengah Kebangsaan Jitra, is a Malaysian public secondary school in the township of Jitra, Kedah Darul Aman. SMK Jitra has a few students in the Malaysian Certificate of Education (Malay:Sijil Pelajaran Malaysia).
It is one of Malaysia's smart schools. In 2005, it won the Anugerah Kualiti Menteri Pelajaran for the secondary school category.
SMK Jitra also provides those form six students in Kedah to further their study. In science subjects and also Malay Literature.
The school was champion of the national bahasa Melayu Debate Competition for 2006 and the first runner-up for 2007.
SMK Jitra had won Piala Dato' Shukor Malay Debate Championship in 2006 defeating SMK Teknik Setapak. In 2007, SMK Jitra again represented Kedah to the national level but only managed to be the first runner-up. The final match was between SMK Jitra and SMK Serdang.
On 12 March 2009, the results for SPM candidates are announced. Four students achieve straight A1 in every subjects taken and sixteen students achieve all A's.
On 2009, SMK Jitra now in known as Sekolah Kluster Kecemerlangan (fasa 3)
and lots of more competitions that was won by this school.
The list of principals
1. Tuan Hj Ramli b Md Noh 2.Tuan Hj Radzi b Hj Hamid 3.Tuan Hj Md Desa b Osman 4.Dato' Abd Rahman b Yop 5.Tuan Hj Shahidan b Abd Rahman 6.Encik Yahya b Tahrin 7.Encik Abdullah B Mad Yunus 8.Encik Rooslee b Ismail 9.Tuan Hj Abu Seman b Sareh Md Isa