Galveston Bay is the second-busiest port in the nation by overall tonnage. Other major ports utilizing the bay include the Port of Texas City and the Port of Galveston. With its diverse marine life, Galveston Bay also produces more seafood than any bay in the nation except the Chesapeake. The Gulf Coast gained its present configuration during the most recent glacial period approximately 18 ka (thousands of years ago). Low global sea levels allowed the Texas mainland to extend significantly further south than it is presently, and the Trinity River had carved a deep canyon through present-day Bolivar Roads on its way
Education in Galveston, Texas 2008, Galveston ISD had a different school configuration: Elementary schools served pre-Kindergarten through grade 5 and Austin, Weis, and Central middle schools served grades 6 through 8. Galveston has several state-funded charter schools not affiliated with local school districts, including Kindergarten through 5th Grade Ambassadors Preparatory Academy and Pre-Kindergarten through 8th Grade Odyssey Academy. In addition opened KIPP Coastal Village as a part of GISD in 2009. Several private schools exist in Galveston. The Roman Catholic Archdiocese of Galveston-Houston operates two Roman Catholic private schools, including Holy Family Catholic School (K through 8th) and O'Connell College Preparatory School (9-12). O'Connell