Edited sentence: Columbia County is one of Georgia's fastest-growing counties.In 2011 it was named an AP merit school.International Baccalaureate was introduced to Lakeside High in 2016, and the program is growing.It consistently ranks among the top 10% of high schools in the country.Lakeside High won the Georgia School of Excellence award in 1993, 1995, and 2005.Lakeside reached 2,500 enrolled students only five years after its construction.The school offered 27 AP classes as of 2007.These students came from Riverside Middle School and Lakeside Middle School