public function userSelectBox(UserRepository $u): QueryBuilder
{
$role = 'ROLE_SCHOOL';
return $u->createQueryBuilder('u')
->where('u.roles LIKE :roles')
->setParameter('roles', '%"'.$role.'"%')
->andWhere('u.active = :active')
->setParameter('active', 1)
->orderBy('u.id', 'DESC');
}