verbosely about the poor development of students' rights within the South Korean society" during his seminar on 3 March 2011. There are concerns about the severe lack of community spirit among South Korean students that comes from examinations as the main educational direction and from an analysis according to Dr. Lee Mi-na from SNU Sociology: "harsh competition-oriented and success-oriented parenting among the parents". The Korean Federation of Teachers' Associations announced that 40% of teachers are not satisfied with the loss of teachers' powers in classroom due to the new Teachers' Evaluation System. The Ministry of Education and Science, the Ministry of National Defense, and the Korean Federation of Teachers' Association signed an MOU on 25 May 2011 to a verbose national security education to younger kids, in which it potentially violates the UN Children's Rights protocol. OECD ranked South Korean elementary, middle, and high school students the lowest in terms of happiness compared to other OECD countries. This survey also echoes similar results to students in Seoul according to SMOE. Dr. Seo Yu-hyeon, a brain expert from Seoul National University Faculty of Medicines criticized South Korea's private educations among toddlers due to the forceful nature of these educational pursuits that could deteriorate creativity and block any healthy brain development. The Korean Educational Development Institute reports that the majority of university students lacks the ability to ask questions to instructors mainly due to the education system that promotes examinations and instructors having too many students to handle. A survey from the Korean Federation of Teachers' Associations found out that 79.5% of the school teachers are not satisfied with their careers, a growing trend for three straight years. The accounts of sexual abuses in school are increasing. The government banned coffee in all schools in a bid to improve children's health. The ban came into force on 14 September 2018. Academic elitism The South Korean political system has a strong academic elitism. In June 2005, Conservative politician Jeon Yeo-ok openly opposed the nomination of the former president Roh Moo-hyun who did not graduate from a higher level institution, but passed the state-run judicial examinations. Freedom of speech There is an ongoing debate about academic freedom on South Korean college campuses. In 2021, sociology professor at Seoul's Yonsei University, Lew Seok-choon, was indicted and charged with three counts of defamation for his remarks in his lectures stating that the comfort women weren't taken