Wiktionary
a pluses
n. (plural of A plus English)
Usage examples of "a pluses".
The fact is, she earns attention by doing exceptional things, like getting all A pluses, for example, or by being invited to join this program in which she attends college classes even though she's still in high school.
In fact, Janine has not only passed every course she's ever taken with triple A pluses or something, she's also taking courses at the local college, even though she's still in high school.