Ƙirƙirar wani nau'i mai mahimmanci na wannan jumla Babban ɗakin, wanda aka fi sani da Babban Jagora don Koyarwa da kuma shugaban na 12th, shine Mrs. Barbara Baird-Pauli.
Tabbas, wani nau'i mai rikitarwa na jumla shine "Babban ginin, wanda aka fi sani da Babban Jagora don Koyarwa, ita ce Mrs. Barbara Baird-Pauli, tana kula da tsarin karatun, yana sarrafa kasafin kuɗi, kuma yana jagorantar sauran masu gudanarwa. "