Northshore High School is located at 100 Panther Drive in Slidell, Louisiana. Northshore is a 5A school with over 1500 students, 130 faculty and staff members. Northshore works very hard to be one of the top academic schools in St. Tammany Parish. St. Tammany Parish is one of the top parishes in the state in test scores and ACT scores. Northshore also had the highest score for a public school on ...