In the case of the old jail, it's possible that the reported hauntings are related to the real tragedies and hardships that inmates endured there. But it's also likely that people's imaginations play a big role. The cold spots and noises could be due to natural causes, but the idea of ghosts makes for a more exciting story. So, it's a mix of real history and fictional elements.
One famous Jacksonville FL ghost story is about the St. Augustine Lighthouse. There are tales of a keeper's daughter who fell to her death during construction. People claim to see her apparition near the top of the lighthouse. Another involves the old jail in Jacksonville. Supposedly, the ghosts of former inmates haunt the cells, and visitors have reported cold spots and strange noises.
The 'school 4 jacksonville story' could cover a wide range of topics. It might be centered around the academic achievements of the school. For example, if the school has a great sports team, the story could be about their journey to championships. Or if it has a renowned arts program, it could be about the students' creative works and how they have been recognized. It could also be about the community around the school, how the school interacts with the local residents, and the impact it has on the neighborhood.
It depends. Sometimes libraries have a manga section, but for the Jacksonville Library specifically, you could check their online catalog or give them a call to find out.