A difficult task.
The standard Kumon and KipMcGrath are excellent and run on independent work within a group setting.
One to One tutors are invaluable for new topics, transfers from Junior to Secondary confidence, Special Needs or just a time to have the undivided attention of an expert.
Some tutors on the online registration sites and who are advertised are not teacher trained.
Qaawyrd is a qualified one person tutor looking to improve parents and students perception of education by offering online information and by tutoring on a one to one basis.