Centennial Elementary School McKeesport , PA.
The following Photo's were found in a 1921 year book bought on E-bay the seller said he had bought it from an estate sale . Best guess is that it belonged to A Mr. Alvah McCune Squibb , who graduated that year.
The back of the 8th grade photo ( year 1917 ? )
1st grade , best guess for the year is 1910
I did find on line Alvah's Genealogy , but no Contact Info.
Alvah McCune Squibb b. 2 Mar 1903 d. Jun 1985
He Also appears to have had two sisters that also attended McKeesport High .