LALITPUR: Arniko School and Ideal Model School (IMS) reached the senior boys semi-finals of the first LA Inter-school Basketball Tournament on Wednesday. Arniko defeated Rara Hill 48-43 while IMS sidelined NS 55-38. In the other matches, Learning Realms International School defeated LA ‘A’ 47-35 and Pushpa Sadan outclassed Malpi 53-36 to reach the last four. Gyan Bal Batika defeated Malpi 26-15 and Arniko edged past NS 24-23 to book the semi-final berths in the girls’ section.