I've been reading CM's vol. 3 well, the appendices anyway. I am planning to read through this volume soon.

If you scroll down about half way you will see:

APPENDIX IV
EXAMINATION OF A CHILD OF TWELVE, IN THE 'PARENTS' REVIEW' SCHOOL, ON THE WORK OF A TERM

This exam is amazing to me. There is no way I could pass this at my age let alone at 12 years of age. What an education these children received! I would have loved to have gone to a PNEU school....well, I kind of am now :-), only as the teacher rather than the student.