Patrick Henry High School as Hawkins Middle School
The kids hide in the school from the folks from the lab who are quickly attacked by the Demogorgon.
“Chapter Eight: The Upside Down” Filming Locations
Stranger Things episode “Chapter Eight: The Upside Down” was filmed in Atlanta, Jackson, Stockbridge, & Douglasville in the United States of America.
Building A (Emory University) as Hawkins National Laboratory
Dr. Brenner leaves with the team from the lab.
Source: IMDb
Cator Woolford Gardens as Park
Hopper plays with his daughter in the park when she begins to feel sick.
Source: IMDb
Butts County Courthouse as Hawkins Public Library (exterior)
Hopper and Joyce track down Will to the library in the Upside Down.
East Point's Historic Civic Block as Hawkins Public Library (interior)
Joyce and Hopper find Will trapped in the Upside Down version of the library.
Source: Stranger Things — Wikia
First Baptist Church East Point as Hawkins General Hospital (exterior)
Source: Stranger Things — Wikia