Mary of the 4th Form

{{Infobox song

| name = Mary of the 4th Form

| cover =

| alt =

| type = single

| artist = The Boomtown Rats

| album = The Boomtown Rats

| B-side = "Do the Rat"

| released = 11 November 1977{{cite web|url=https://www.worldradiohistory.com/UK/Music-Week/1977/Music-Week-1977-11-12.pdf|title=Music Week|page=56}}

| recorded =

| studio =

| venue =

| genre = Punk rock, new wave, glam rock

| length = 3:52 (album version 3:33)

| label = Ensign Records

| writer = Bob Geldof, Johnnie Fingers

| producer = Robert John "Mutt" Lange

| prev_title = Lookin' After No. 1

| prev_year = 1977

| next_title = She's So Modern

| next_year = 1978

}}

"Mary of the 4th Form" is the second single by The Boomtown Rats. It was the first song released from the band's debut album, The Boomtown Rats, though the single version is a re-recording different from the album track and 19 seconds longer. On French and Dutch releases, the single's A-side was "Do the Rat", which was the B-side of the UK version.{{cite web|url=http://www.boomtownrats.co.uk/the-boomtown-rats/discography.html |title=The Boomtown Rats Discography |publisher=Boomtownrats.co.uk |date= |accessdate=2014-04-09}} The song's theme, concerning a teacher's sexual attraction to a teenage girl who acts in a sexually provocative manner, resonated in the Police song "Don't Stand So Close to Me".{{cite web|url=http://www.boomtownrats.co.uk/the-boomtown-rats/record-reviews/39-boomtown-rats-record-reviews/90-the-boomtown-rats-self-titled-album-review.html |title=(self-titled) Album Review |publisher=The Boomtown Rats |date= |accessdate=2014-04-09}}

"Mary of the 4th Form" peaked at No. 15 in the UK Singles Chart in 1977.{{cite book

| first= David

| last= Roberts

| year= 2006

| title= British Hit Singles & Albums

| edition= 19th

| publisher= Guinness World Records Limited

| location= London

| isbn= 1-904994-10-5

| page= 71}}