These ladies of various ages were posted around the school and the dormitories as overseers. In most cases I'm afraid I don't remember their names; maybe in some cases I never knew their names.
Nicola Nelson ("the beautiful under matron," as Molesworth would have called her). She was, I believe, a friend of the Angus family, and worked at the school for a year or two. She was perhaps 17, very attractive, tall, and inspired boys to carry sprigs of mistletoe in their pockets close to Christmas with which to ambush her. I also remember, one of the off-site dormitories was run by a matron called Joan, who at perhaps 35, seemed terribly old to us, but looking back, was actually quite good-looking.
Julian remembers Nicola/Nikki leaving after his first year, so I suppose she was gone by the time I arrived.
Jonathan Marler also remembers her...
... leaning over the bathtub in the bathroom outside Long Dorm and someone whispering “I saw her nipples.” She smiled and no one was sent for a caning.
There was another young and attractive under-matron at South Bend for a short time, but I don't remember her name.
The principal matron at South Bend I remember as being short, plump, no longer young, and bossy. Someone was caned for calling her a gorilla in the course of an argument. She confiscated The Bishop's Jaegers (Thorne Smith, 1932) from me, although I protested truthfully that it was given to me by my parents. Later someone pinched it from her room and gave it back to me; though I don't know what happened to the book as I don't have it now.
I do remember Joan, but Julian remembers her at Beech House whereas I remember her operating in the main building with the younger boys. I also seem to remember her being present at meals. Evidently she got around a bit.
Digby Macpherson remembers on Friends Reunited a young matron called Melanie, whose surname was apparently Felton.