Beyond supporting established efforts, you can establish activities in your own circle of influence.
READ. Interestingly, it has been found that children who like books and reading have parents who read.
Turn off the TV. Contrary to common thinking the box does NOT have to be ON all day and night. Pick your programs. Record if you can for flexibility in viewing. Set aside time for reading every day. Designate a place for reading. Read to children from babyhood to adulthood (share newspaper articles).
For children, acquire new stories and vary the subject matter. Read words on the street in the supermarket at the playground.
Have children read to you. Refrain from embarrassing corrections but help if asked.
Ask questions occasionally to ensure comprehension. Motivate teens with materials on music, movies or computers.
Visit the library regularly with children. There's so much choice! It's a good habit easily established because the books have to be returned.
In general, censorship is a bad idea. Plenty of books and plenty of variety teach discernment. Young children and beginning readers often choose material too easy for their abilities or material with irreverent or gross humor. In contrast, overly zealous teachers and parents often stubbornly insist on challenging material while they dismiss comic books as sub literature and completely miss their benefits.
Of course, there's nothing wrong in encouraging good literature but not to the point of discouraging reading itself.
Let's look at what the schools do.