Tā pǐnxuéjiānyōu, shòudào lǎoshīmen de yīzhì hǎopíng.
He excels in both character and studies, earning unanimous praise from the teachers.
Tips
history
From 《儿女英雄传》 ch.9 by 文康 (Qing): 一定是一位品学兼优，阅历通达的老长辈 — describing an elder both morally upright and well-learned. The phrase became standard educational praise.
usage
Nearly always about students. Frequent in report cards, school awards, and recommendation letters. The 兼 (both/also) is key — the person excels in both dimensions, not just one.
