The owl delivers a small letter on Slytherin stationery.
Edgar Windsor, the first year I escorted back to your class, believes he should be studying DADA with the fifth years. I do not know what sort of prior instruction he has had, nor do I know what his current skill level is, however, should you feel that he is advanced enough to study with older students, please let me know so I can see about contacting his parents and the Headmistress about working that into his schedule.
Edgar is aware that that the year he studies with is depended on your assessment of his performance--just a heads up in case he brings the matter up with you. Since you are his professor, I will defer to your judgement on this issue.