Bishop Allen was instrumental, together with fellow Auxiliary Bishop Francis Marocco and Archbishop Philip Pocock, in the Archdiocese of Toronto's 1960s campaign to establish and enlarge Catholic Secondary Schools in the Archdiocese.
Bishop Allen was crucial, along with fellow Auxiliary Bishop Francis Marocco and Archbishop Philip Pocock, in the Archdiocese of Toronto's 1960s initiative to establish and expand Catholic Secondary Schools within the Archdiocese.