The MTIS High School is accredited by the Ministry of Education through the National Education Quality Assurance Agency. By Mark Twain IS 26 May 201226 May 2012 The MTIS High School is accredited by the Ministry of Education through the National Education Quality Assurance Agency. Previous The MTIS High School Division is established 9 January 2005 Next The MTIS Middle School is accredited 15 September 2007