discussion post- religion in the schools

You have just been appointed principal of a high school of 1,200 students (or have just been hired to teach at a local university) in a conservative community. You discover on your very first day that prayer is recited over the intercom, a scripture is read, and blessings are given before some students eat.
i. What specific components of the First Amendment are involved here?
ii. Discuss these violations with your faculty in the context of the following:

Establishment Clause
Free Exercise Clause
Excessive Entanglement
Principle of Neutrality
Devotional Atmosphere
iii. What steps should be taken to address the violations, if any, as cited above?