Bright (2023)

Both are school dramas
Both are about students social life beyond school and how to be better student
Both are very good dramas

Family and school drama
mostly about family and struggling youth in their lives
both are similar in the family aspect

Both dramas about students who are friends and trying to succeed in school also
have their own struggles at home
both dramas are emotional and educative about school life in china

Both dramas have students struggling to succeed in high schools
Both dramas are quite emotional and has the youth struggles aspect
Both drams have good friendships between neighbors and students

Both dramas portray school life in china in the past
Both dramas are about students trying to live properly and succeed
Both dramas have good friendship between students on and off school

Both dramas are similar in so many ways despite one korean and the other chinese
the korean drama has the same good teacher who wants to change the lives of his or her students for the better
both dramas have the same struggling students aspect from home to school and teacher helping them
Both dramas are emotional and very good family dramas not romantic

Both have a fml who's dedicated entirely to her study as it's her second chance to do better at the Gaokao.
The fml helps motivate the ml who's not that interested in studying hard anymore. Both the mls also have a career as a pilot.
A Ray Of Light doesn't have much romance compared to Don't Disturb My Study but they both show a snippet of the future after graduating where the couple in DDMS get together while the one in ROL leave it open ended.