Sotsugyo M by Kei Arisugawa (story) & Yukiru Sugisaki (art)

Based on a dating simulation game with the same title, the manga contains episodic stories about the day-to-day events and troubles of 5 high school boys who attend the same boarding school:

cheerful - Mikimaro Shimura
rebellious - Arai Togo
smart - Syo Nakamoto
beautiful - Shimon Takagi
energetic - Yusuke Kato

The manga's artist also brought us D.N.Angel.

Shoujo manga for sale at Mangaroo.