All Saints (Hallows) Day
Halloween is the Olde English word for All Hallow's Eve, which refers to the evening before All Saints Day on November 1st. The secular Halloween is a dreadful corruption of the real All Saints Eve.
It depends. If a parish church has a school, then the school is the main mission of that parish (outside of dispensing the sacraments). Other Catholic schools may not be linked to a parish at all and are either directly linked to the diocese or a religious order.
Most people of Western Europe, for most of the Middle Ages, were linked by a belief in Christianity, in the communion of the Catholic Church.
sukkot is the holiday of harvest.
Because the are a charity
Anglican Church.
Islam
There is no connection between the Presbyterian Church and the Church of England, which is also known as the Anglican Church and/or High Episcopalian.
Anglican Church
Yes! they must be united and all the organization is linked to the Catholic faith.
Anglican.
jack o'lanterns
No, they are not. Guy Fawkes is a real figure in the English History. Halloween is an ancient druid celebration of season change. The only possible connection is a vague geographical overlap.