Planners have given the go ahead to rebuild La Mare de Carteret School.
Next week politicians will debate whether to reject the previous States' decision to get rid of the selection system and a decision to rebuild the school is yet to be approved.
The plans were submitted in February before the States Education debate in March when politicians decided on a three school model and to scrap the 11-plus.
The President of Guernsey's Scrutiny Management Committee, Deputy Chris Green, says he doubts La Mare de Carteret school will ever be rebuilt.
It comes as planners give permission for the rebuild.
Next week deputies will debate the previous States' decision to scrap the 11-plus and the Committee for Education, Sport & Culture hopes to bring proposals for the future of the education estate to the Assembly for approval in June/July 2017.
Education Services say they're pleased to have received planning consent for the redevelopment of La Mare de Carteret.
Vice President for Education Sport and Culture, Carl Meerveld, says if a decision is made to rebuild the school, having the permission in place will speed the process along.
The weekend event coincides with International Pride Month and the 51st anniversary of the Stonewall riots.
The scheme has been backed by the island's Lieutenant-Governor, and is the first of its kind in the Channel Islands.
Sunny spells and isolated light showers. After dusk fair spells with isolated showers.