Local school assoc.
Else clues• Bk. notation
• Bottom-of-page abbr.
• Class-conscious grp.
• End of page abbreviation
• Letters at end of page
• Letters at the end of a page, sometimes
• Letters on the bottom of a letter, perhaps
• Page bottom notation
• Page instrn.
• School grp.
• School grp., in many districts
• School-based group