Requiring and providing for recitation of the pledge of allegiance to the American flag in public and charter schools, authorizing annual waiver of the requirement by a majority vote of the school board or charter school board of directors; students or teachers objecting to participation to be excused without penalty; 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 as part of the fifth grade social studies curriculum, waiver authority (ra)