The Suva Grammar School U18 side will meet MGM High School in the Vodafone Deans Southern Zone semi finals next week after they defeated Marist Brothers High School 12-7.
The match showed the rivalry of the two schools as it came down to the final minutes.
Marist had the chance to steal the win or end the game in a draw, but the Grammarians defence stood tall.
Grammar also won the Cocorega Sports Challenge Trophy.
Meanwhile, Nasinu Secondary School remains undefeated after beating Ratu Simione Matanitobua College 25-0, and they will meet Marist in the semi finals next week.
MGM High School won by default against Lomary Secondary School.
In other results from the Southern Zone: U19: Naitasiri 15-10 Lomaivuna Nasinu 33-00 Nabua Sec School Latter Day Saints14-27 Lami High Sch MBHS 08-13 SGS
- U17: CMF College 8-3 Dudley High Marist Brother 5-3 RSMS
- U16: Nasinu Secondary 35-6 Lomaivuna Marist Brothers 20-12 Naitasiri Secondary
- U15: Suva Grammar 18-3 Dudley High School Marist 27-0 Ratu Sukuna Memorial School Nasinu Secondary 05-08 Gospel High School
Raluve U18: Suva Grammar 7-15 Nasinu Lomary SS 28-0 Namosi SS MGM 65-0 Ratu Simione MAT College Naitasiri 55-0 Suva Sagam College
