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The city of Portal High School

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Yesterday, I took a stroll around the city of Portal High School - I apologize for the unofficial name but hopefully someone can correct me - and it was... sort of awesome, sort of boring. It's hard to say which emotion was more predominant.

- Cecil, Post-SCrash Session 3: Spectators of the Host

"The city of Portal High School" is a provisional name for the city surrounding Portal High School. In Post-SCrash Session 3: Spectators of the Host, it is described as a "self-sufficient boarding school".

In Spectators of the Host, it is also indirectly established that the principal of Portal High School also gets to be the mayor of the city of Portal High School.


The city chronologically first appears in Invader Zim: Born Again Christian. It is home to The Skool, as well as all the main characters, including Gloria Deschanel, Zim and Dib. It is mostly destroyed, along with the rest of Earth, during the apocalypse that Dib and Gloria cause, and as such in the next chronological appearance in Additional Discoveries on Marrissaverse History it is in ruins. However, in a time span of less than a thousand years it is back up and running.

From then on, the city is mostly untouched until AG 2011, when Portal Labs are established in the city's place, thus ending its history. The new city that was founded in this city's place is named District 12.


Portal High SchoolEdit

Main article: Portal High School

Portal High School is the main building of the city. It is given the most attention in the stories, and has its own separate history.

Principal Business Man's home / Blue Portals Development CentreEdit

The house, described as being "nice and pink", is home to Principal Business Man and his family, including Principal GLaDOS, Caroline and Emprase Contone Ovasere, who later dubbed the house "Blue Portals Development Empire". Principal Business Man is fairly rich, and gets to heavily customize his house. At some point, he owns a telescope with which he can observe the rest of the city, as well as screens showing stocks.

In ITS MY LIFE!, it's mentioned that "the guy from Leave it Beaber" lives next door to Caroline, but his story is not expanded in any way.

The name "Blue Portals Development Centre" comes from a Portal mod Blue Portals, which focuses on a testing facility that appears to be a direct rip-off of Aperture Science, but nevertheless has invented original testing elements in addition to reverse-engineered technology.

Gabe Jonson's home / GLaDOS's lairEdit

This is the place where Gabe Jonson lives. After Caroline died, he made a robot body for her, conveniently located in the house, named GLaDOS. However, due to a virus installed by Assirram Strebor, GLaDOS becomes evil and proceeds to take over the rest of the city, making Portal Labs in its place.

City of Portal High School Centre of CultureEdit

Based on the building in the neighborhood of ASBusinessMagnet, Marijampolės kultūros centras, the City of Portal High School Centre of Culture hosts various cultural events. It is the place where Principal Business Man first met Ms. Hart, thus proceeding to make her the Music teacher of Portal High School. It is also where Beauregarde Chewing Gum Industry's Inside Out premiered.

Unknown storeEdit

It is known that Violet Beauregarde's brand of chewing gum is available for sale somewhere at Portal High School, after an agreement between her and Principal Business Man. The exact details, including the location of the store, are unknown, though.



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