Saint Mark Catholic School issued the following announcement on Nov. 02.
{November 2nd- All Souls Day}
All Souls' Day, also known as the Commemoration of All the Faithful Departed and the Day of the Dead, is a day of prayer and remembrance for the souls of those who have died, which is observed by Roman Catholics and other Christian denominations annually on November 2nd.
Original source can be found here.
Source: Saint Mark Catholic School