Yes right through school, red and grey for infants and junior, then navy blue with a burgundy/gold tie and trim sewn round the blazer.
I went to a catholic boarding school which was very strict, they would measure the gap between skirt and sock top. Straw hat in the summer which I hated . Six form they relaxed slightly, you changed the skirt and blouse for a dress . All of it was bought from one shop, and you had to have the right stuff supplied only from that shop which had been approved from the school that included everything from pants to blazer.
a deportment sash, ours was burgundy, and was rewarded weekly to the girls who showed lady like behaviour was caring to others and was diligent in lessons. I never ever got to wear one 😥