1960 - Oklahoma - Teacher was fired in Tulsa from an 11th grade English position for assigning the book. Teacher appealed and was reinstated but the book was removed from the school
1963 - Ohio - Columbus parents asked the school board to ban the novel for being "anti-white" and "obscene." The school board refused.
1975 - Pennsylvania - Removed from reading list after parents complained about the language and content. The book was reinstated after the school board vote, orginally 5-4, was deemed illegal as they required a two-thirds vote in favor to remove a text.
1977 - New Jersey - Challenged and the board ruled the book could be read in an advanced placement class with parental permission.
1978 - Washington - Issaquah school removed it from their optional reading list
1979 - Michigan - Removed from the required reading list at Middleville.
1980 - Ohio - Removed from Jackson Milton school libraries in North Jackson
Alabama - Removed from Anniston High School libraries and later reinstated
Manitoba, Canada - Removed from school libraries in Morris along with two other books as they violate committee's guidelines covering "excess vulgar language, sexual scenes, things concerning moral issues, excessive violence, and anything dealing with the occult."
1983 - Montana - Challenged at Libby High School due to the book's contents
1985 - Florida - Banned from English classes at the Freeport High School in De Funiak Springs as being "unacceptable" and "obscene"
1986 - Wyoming - Removed from Medicine Bow senior high school English reading list because of profanity and sexual references
1987 - North Dakota - Banned from a required sophomore English reading list at Napoleon High School after parents and the local Knights of Columbus chapter complained of profanity and sexual references
1988 - Indiana - Challenged at the Linton-Stockton High School as being "blasphemous and undermines morality"
1989 - California - Muroc Joint Unified School District board in Boron High School removed the book from school reading lists after parents complain the novel was unsuitable because of profanity, blasphemy and promotion of anti-family values. Local resident and religious activist Patty Salazar said she supports the board action because the novel "doesn't belong in a public high school." "It uses the Lord's name in vain 200 times," she said. "That's enough reason to ban it right there. They say it describes reality. I say let's back up from reality. Let's go backwards. Let's go back to when we didn't have an immoral society."
1991 - Illinois - Challenged at Grayslake Community High School
Illinois - Challenged at the Jamaica High School in Sidell for profanity, depiction of premarital sex, alcohol abuse, and prostitution
Iowa - Challenged at Waterloo schools for profanity, lurid passages about sex, and statements defamatory to minorities, God, women, and the disabled.
Florida - Challenged at Duval County public school libraries for profanity, lurid passages about sex, and statements defamatory to minorities, God, women, and the disabled.
Pennsylvania - Challenged at the Cumberland Valley High School after parent's objections of profanity and immorality.
1993 - California - Challenged and retained at Corona Norco Unified School district because it is "centered around negative activity."
Wisconsin - Challenged but retained at the New Richmond High School for use in some English classes
New Hampshire - Challenged as mandatory reading in the Goffstown schools for language and sexual content
1995 - Florida - Challenged at the St. Johns County Schools
1996 - Maine - Parent challenged over the word "fuck" ("f" word) at teh Oxford Hills High School
Georgia - Challenged but retained at the Glynn Academy High School in Brunswick after a student objected to profanity and sexual content.
California - Removed by school superintendent required reading curriculum of the Marysville Joint Unified School District to get it "out of the way so that we didn't have that polarization over a book."
1999-2000 - Georgia - Vanned and reinstated after community protests at the Windsor Forest High School in Savannah after a parent complained about the sex, violence, and profanity
2000 - Alabama - Challenged but retained at the Limestone County school district after complaints of language
South Carolina - Removed by a Dorchester District 2 school board member in Summerville because it "is a filthy, filthy book."
Georgia - Challenged by a school board member for language but retained in Glynn County
2005 – Maine - Challenged, but retained as an assigned reading in the Noble High School in North Berwick.
2009 – Montana - Challenged in the Big Sky high School in Missoula
2010 - Florida - Challenged but retained in the Martin School District after a parent's complaint for language