Complex sentence: This group produced little real protest, besides making limited appearances at school district meetings and convincing students to wear black arm bands for a short period of time, the group was unsuccessful, and the policy went into effect on August 30th 2008.
Split into simpler sentences: This group produced little real protest, besides making limited appearances at school district meetings and convincing students to wear black arm bands for a short period of time. The group was unsuccessful, and the policy went into effect on August 30th 2008.