The mansion is depicted as the private estate of Charles Francis Xavier and serves as the base of operations and training site of the X-Men.

[6] Following the end of the Krakoa Age, the X-Mansion has been converted into a prison to house the mysterious Inmate-X, later revealed to be Charles Xavier himself, forcing the remaining members of the X-Men to forge a newly acquired base of their own.

Shortly thereafter, the school for young mutants is reopened at the X-Mansion, but the name remains "The Xavier Institute for Higher Learning" despite the younger student body.

2008), study at the mansion until it is destroyed during the 2007–2008 story "Messiah Complex" and the X-Men subsequently disband and close the institute.

In the wake of M-Day the mansion was infiltrated by followers of the Reverend William Stryker in an attempt to wipe out the students, resulting in some structural damage and several casualties.

Then the mansion was severely damaged when the Danger Room became sentient and summoned local machinery to attack the structure.

Under the name Graymalkin Industries, the new X-base is not run as a school, but rather as a sort of community center for mutants who wish to develop their powers.

[10] Under the All-New, All-Different Marvel re-branding, X-Haven was a sanctuary founded by Storm and her Extraordinary X-Men to protect mutants from the Terrigen Mist.

The Jean Grey School for Higher Learning was temporarily teleported to a pocket dimension within Limbo with the help of Doctor Strange, the Scarlet Witch, and Wiccan.

[4] Following the War between the Inhumans and mutants which resulted in the destruction of the remaining Terrigen Cloud, Kitty Pryde, now the new Headmistress of the Jean Grey School for Higher Learning had Magik teleport the school back to Earth, more precisely to Central Park, New York City[11] and renames it as the Xavier Institute for Mutant Education and Outreach.

[12] As a result of Professor X betraying mutantkind and turning himself into the authorities, the X-mansion undergoes renovations by the US government to be converted into a correction facility known as Graymalkin Prison.

In issue #2, the X-Mansion is shown to be an orphanage for troubled kids that is run by Professor X and the teachers include Storm and Beast.

Though the school originally was funded from Magneto's inheritance,[citation needed] allowing them to neither accept nor seek out donations.

[volume & issue needed] It is then revealed that numerous donors fund Xavier's projects and remain anonymous due to heavy anti-mutant sentiments present in public opinion.

[volume & issue needed] The school's location is concealed by a projected image of a Jehovah's Witness chapter, as revealed in Ultimate X-Men #1.