Requiring and providing for recitation of the pledge of allegiance to+ the American flag in public and charter schools, authorizing waiver of +the requirement by school boards or charter school boards of directors; +authorizing students or teachers to decline participation in recitation of the +pledge; authorizing school or charter school boards waiving the requirement +to adopt a district or school policy relating to reciting the pledge of +allegiance; requiring school districts to instruct students in the proper +etiquette toward, correct display of and respect for the flag and in patriotic +exercises, waiver authority(ra)