Gakuho Asano

Gakuhō Asano is the board chairman of Kunugigaoka Junior High School. He is the father of Student Council President Gakushū Asano.

Personality
It is noted that the board chairman is a shrewd administrator who made Kunigigaoka Junior High School the best in the nation within the 10 years since its founding. He was the one who created the Class E system, under the thought that having someone to discriminate makes one progress more. His aim is to create a world where 95% of people work and 5% of people are lazy. With 95% of the school focused on not becoming that 5% (the 5% being Class E), the ratio is achieved. To do so he used the assassination secretly being conducted in Class E, as an excuse to extort money from the government to help fun his ideal world of perfection.

It appears that he has his priorities mixed up as he prioritizes the maintenance of this system of discrimination over the world's future. A system that he almost seems to obsess over maintaining, and prioritizes its maintenance over morals willing to resort of suggest things that has made even his own son question him and is unafraid to get his hands dirty to make sure that his system stays in tack. The closest thing to a moral that he has ever shown was allowing the honest placement of the top students and grades without modifying or censoring them, however even this may play more into his ideal than anything else and all of his other actions far outweigh this single act of honesty.

To maintain his system Gakuhō Asano is willing to take his educational methods to the classroom giving the entire main school building a personal lesson and later supercharging the final exams to be akin to a college or university exam and purposely exclude Class E just to ensure that they do not pass. However his roll as a teacher does not change his lack of care towards his students and sees them as nothing more than tools to further his own ends and to prove how inferior he thinks of them is willing to defeating a student in single combat to show how beneath him they are.

Karasuma himself notes Gakuhō Asano to be a powerful man and dangerous enemy, willing to extort money from the Ministry of defense at every turn in order to personally finance his goal, and the ministry has been powerless to stop him, willingly giving him the hush-money in order to avoid mass panic.

His dangerously low morality is also shown with his relationship with his son, with constant pressure to produce results and utterly defeat Class E in a perfect victory being a defining point of their relationship and he uses his son for his own aims instead of anything else, never once treating him or thinking of him as his own kin and instead only as a useful tool for the maintenance of his system, not bothering to love or hate him. He is also unafraid to mock his son's inability to produce the desired perfect victory over Class E, and is willing to turn his son into a slave should it suit his goals.

The maintenance of this system is his very driving force throughout the series, being very disappointed when Class E failed to achieve their usual lowest quota, and disregarding his son's second victory in favor of rubbing his past losses in his face. Upon the winter of the year his fears of the loss of his system began to weigh down on him and he resorted to personal actions of brainwashing and bloodlusting his students to dangerous levels, and executing an exam of such difficulty that even other teachers were shocked by how far he would go. When Class A failed to secure the top spots over Class E, his composure completely faded away and in its place was the first sign of anger towards his son he has ever displayed. However when one Class A student offered to be transferred to Class E, Gakuhō Asano flipped and decided to completely remake Class E into a prison and dismiss Koro-Sensei in order to finally assure his perfect educational system would hail supreme.

He took matters into his own hands by forcing Koro-Sensei into a drastic situation with a 20% chance of victory in his favor, which is far more than any of the Class E's previous attempts of using grenades on himself and the teacher to finally kill the biggest obstacle of his ideal. Instead, Koro-sensei protected Asano who was prepared to be blown up using his skin. Koro-sensei comments that he had an identical teaching style to himeself years ago. Asano reflects on himself and leaves asking if he could drop by sometimes to try and kill him again in a somewhat playful manner contrary to his usual intimidating impression.

History
The board chairman is a genius, he defeated a blackbelt in karate on his 3rd day learning karate. He was defeated on the first day, created a strategy on the second day, and defeated the instructor on the third day.

In the past, Asano had a very similar teaching style to Korosensei. He raised them to become kind and well rounded in the same building class E studies in. However, one of his students committed suicide because they were often bullied and couldn't defend himself due to being too kind. He believed he raised his students the wrong way and decided to raise them to become "strong" instead of "good." He built a new building and left behind the old which brought back memories of his failure.

Gakushū Asano.
Gakushū is the chairman's son, and has been under the chairman's influence for the longest. Gakushū inherited Gakuho's ability to persuade others using just his voice. They both use knowledge to control people.

However, their relationship is rather strained, each trying to control the other. Gakushū intended to use his father as a pet of sorts, while Gakuho wanted to keep his son as a corporate slave.

Ikeda
Ikeda was a former student of Gakuhō, whom of which he was very close with. He had played with Ikeda which ranged from allowing him to initiate surprise attacks, which failed, to showing off his various talents to Ikeda and his other two students, Mori and Nagai. It was also during this time, Ikeda had promised Gakuhō that he would grow up being a “good” student. When news of Ikeda's death (which was suicide due to frequent bullying) reached him, Gakuhō later snapped as he came to believe Ikeda’s death derived from how he neglected to make Ikeda “strong” rather than simply “good.”

Korosensei
Initially, the Chairman presented himself as Korosensei's superior and made it a point to show his education ideals were also superior and right. He stood as a major block in Korosensei's goals as a teacher and major adversary to him in general. However, it was revealed that they share many similarities in how they want to raise strong and capable students and how they are both "monsters" that dedicate themselves to teaching. As of Chapter 126, their relationship is better and the Chairman respects Korosensei as an equal as well as his teaching style which is similar to his former way of teaching.

Quotes

 * (To Akira Takaoka) "Once you lose to a brute force weaker than your own, your lessons are stripped of all persuasive power."
 * ( To himself) "I have always acted rationally. Whether for the management of the establishment or a murder, I like things to be logical and conform to reason."