Youko Takahashi (高橋 洋子 Takahashi Yōko) is a recurring character in the Baka to Test to Shoukanjuu series. She is the Head Teacher of Year 2 and is also Class 2-A's homeroom teacher in Fumizuki Academy.
She oversees all second-year students and reports to Kaoru Toudou on developments. She is considered to be the smartest person in Fumizuki Academy, but is really bad at baseball.
Her cumulative score is 7800, nearly twice as much as Shouko Kirishima's. Her Shoukanjuu wears a black military officer's uniform that resembles that of a WWI German officer and wields a whip.