Bills similar to Florida's controversial legislation that bans certain instruction about sexual orientation and gender identity in schools are being considered in at least 15 states, data compiled by the American Civil Liberties Union and reviewed by CNN shows.

Some of the bills go further than the Florida law, dubbed by its critics as "Don't Say Gay," which sparked a furious nationwide discussion about LGBTQ rights, education policy and parental involvement in the classroom.

CNN's Devan Cole contributed to this report.