Depending on how CBS wants to progress prequel's narrative, he can still come back to Medford for a while until he fully relocates to California for his post-graduate studies at Caltech.

Source: https://screenrant.com/young-sheldon-big-bang-theory-sturgis-plot-hole-fixed/

It’s better he relocates his generation to Mars and Jupiter because Niger Republic will not be far enough from Nigeria or sufficient enough to protect him from IPOB’s watchful eyes.

Source: https://punchng.com/your-sins-unforgivable-ipob-tells-buhari/

“We plan to move the Local Studies service into the building after the library service relocates to the Town Hall in the summer,’ Acting County Librarian Gillian Allen stated.

Source: https://kildare-nationalist.ie/2023/04/18/local-studies-service-bound-for-old-naas-library/