In junior secondary classes, age 12-13 13-14 are grade 1 to grade 2 is 14-15 will be the grade 3.In the high school age level 15-16-16-17 will be on grade 1 to grade 2 17-18 to address is grade 3.
In the junior class, age 12-13 to 13-14 in grade 1 to grade 2 to grade 3 14-15 in the high school age 15-16 to 16-17 in grade 1 to grade 2 17. -18 to grade 3
In secondary school, age 12-13 to grade 1 13-14 to grade 2 14-15 to grade. 3 in the high school level, age 15-16 to grade 1 16-17 is 2 17-18 grade is grade 3.