Küçük graduated from Yeditepe University Faculty of Law in 2006 with 3,70 GPA ranking first in his class which he studied with a full scholarship. His master thesis titled “Das Kopftuchverbot im türkischen Bildungssystem (Ban of Head Scarf in Turkish Educational System)” has been consulted by Prof. Dr. Martin Hochhuth which has been admitted with the degree of outstanding (very good). He started his doctorate in 2009 in Yeditepe University Faculty of Law. By the year of 2014, when his doctorate study titled “Intra-Party Democracy” consulted by Prof. Dr. Sultan Tahmazoğlu Üzeltürk has been admitted unanimously, he started working as an assistant professor in Constitutional Law Department. Since November 2016, he carries out his duty as Deputy Dean as well.