The Allendale Parent & Booster Organizations (APBO) is a 501c3 non-profit entity created to provide financial oversight for affiliated parent or booster organizations. Those affiliated organizations include: Allendale Athletic Boosters,  Allendale Music Boosters , Allendale Elementary PTO Each of these affiliated organizations has tax-exempt status under the umbrella of the Allendale Parent & Booster Organizations. They are required to approve appropriate by-laws, financial practices, and annual reporting that meet the guidelines of the Allendale Parent & Booster Organizations by-laws.