PTO

Letters at the end of a page, sometimes

• Bk. notation

• Bottom-of-page abbr.

• Class-conscious grp.

• End of page abbreviation

• Letters at end of page

• Letters on the bottom of a letter, perhaps

• Local school assoc.

• Page bottom notation

• Page instrn.

• School grp.

• School grp., in many districts

• School-based group