This s a great occasion. I don't have a clue how many people you are expecting are teens and how many are 12 or under, this really affects food quantities.

white rice beans on the side, a standard steam able size pan serves about 24; if the beans and rice are separate, about 30 servings per pan of beans or rice
typical fried chicken dish, 1 piece per person
2 pork shoulders-pernil, everybody will want a bite, 50 pounds bone in shoulder
broccoli and ziti, if a casserole, about 22 pounds chopped broccoli and 10 pasta. If separate,
salad, see the plan for 100 page do 1 1/4 the amount for 100
www.ellenskitchen.com/bigpots/plan/quan100.html
pastelito or kipe side dish, 2 small pieces per person, 1 for kids
rolls, get good ones, 15 pounds plus 4 pounds butter

Some kind of serious tomato dish or salad would be lovely with this menu.