By ERIKA CALEJA Bulatlat.com Department of Education (DepEd) Secretary Armin Luistro is determined in pushing the K+12 (Kinder plus 12 years) program, which is also called the K-6-4-2 model. This would result in one year “Universal Kindergarten”, six years of elementary education, four years of junior high school that will be known as Grades 7…