If you're looking for manga similar to Bakejo! Youkai Jogakuen e Youkoso, you might like these titles.
Sakura Minori is just a very average girl. Yet despite being the only commoner in her school, could it be that she's actually become popular among the young ladies she so admired...!?
The youngest of seven sisters, Nanaki's goal is to "grow another 20cm and become an adult." Now she's a senior in high school and still baffles her friends with her childish ways. But simple sincerity is Nanaki's greatest power, and friendship is the most important thing in the world to her. Problems like volunteering to be class president won't stand in her way...
The story revolves around Kibayashi-sensei, a teacher of the occult whose hobby is speaking with the dead and whose special talent is exorcism. Kibayashi-sensei knows everything about the other world, but nothing about our own world.
Seiichi Takamagahara is a high school freshman living alone. One day, he finds a picture book among his grandmother's possessions. The monsters depicted there were not just pictures, but the monsters whose ancestors had sealed long ago. After a long time, the power of the seal weakens, and youkai are released to the world. The reincarnation Seiichi decides to seal the scattered monsters again with the fox god and silver.
Shousei Abe is a regular Catholic School student; except that she’s in love with the school’s most adored oujo-sama and closest friend, Mayuko. However, with her other friend, Mawata, frequently involving the pair in her various otaku-related schemes, there’s little chance of spending any quality time alome with the object of her affections. From the girls fawning over Mayuko’s princess cut hairstyle, to Mawata tricking the others into participating in a yuri photo shoot and getting them to help out on her Comiket doujinshi stand, the three girls are always busy - whether they want to be or not.