IA+Grade+Boundaries


 * =Mark Range= || =Grade= ||
 * 0-2 || 1 ||
 * 3-5 || 2 ||
 * 6-9 || 3 ||
 * 10-13 || 4 ||
 * 14-17 || 5 ||
 * 18-21 || 6 ||
 * 22-28 || 7 ||