Question: How old are some of the private schools in the oldest city in South Carolina?

full_context: Document 1: Church Mission School: The Church Mission School (CMS) is a complex in Karachi, Pakistan. It was operated by the Christ Church before its 1971 nationalisation. Azizullah Sharif of "Dawn" stated that CMS, while operated by the church, was "one of the best educational institutions of the city where many students passed their matric examinations with flying colours." As of 2010, four institutions occupy the complex: CMS Primary School, CMS Secondary School, Cutchhi Memon Association (CMA) Primary, and CMA Girls Secondary School. As of that year these schools occupy blocks that are more recent, while the original three blocks were vacant.
Document 2: Detroit: Detroit is served by various private schools, as well as parochial Roman Catholic schools operated by the Archdiocese of Detroit. As of 2013[update] there are four Catholic grade schools and three Catholic high schools in the City of Detroit, with all of them in the city's west side. The Archdiocese of Detroit lists a number of primary and secondary schools in the metro area as Catholic education has emigrated to the suburbs. Of the three Catholic high schools in the city, two are operated by the Society of Jesus and the third is co-sponsored by the Sisters, Servants of the Immaculate Heart of Mary and the Congregation of St. Basil.
Document 3: Charleston, South Carolina: The City of Charleston is served by the Charleston International Airport. It is located in the City of North Charleston and is about 12 miles (20 km) northwest of downtown Charleston. It is the busiest passenger airport in South Carolina (IATA: CHS, ICAO: KCHS). The airport shares runways with the adjacent Charleston Air Force Base. Charleston Executive Airport is a smaller airport located in the John's Island section of the city of Charleston and is used by noncommercial aircraft. Both airports are owned and operated by the Charleston County Aviation Authority.
Document 4: Charleston, South Carolina: The Roman Catholic Diocese of Charleston Office of Education also operates out of the city and oversees several K-8 parochial schools, such as Blessed Sacrament School, Christ Our King School, Charleston Catholic School, Nativity School, and Divine Redeemer School, all of which are "feeder" schools into Bishop England High School, a diocesan high school within the city. Bishop England, Porter-Gaud School, and Ashley Hall are the city's oldest and most prominent private schools, and are a significant part of Charleston history, dating back some 150 years.
Document 5: South Carolina in the American Civil War: State of South Carolina Nickname (s): ``Palmetto Republic ''Flag Coat of arms Map of the United States with South Carolina highlighted. Capital Columbia Largest City Charleston Admission to confederacy April 3, 1861 (6th) Population 703,708 total 301,302 free 402,406 slave Forces supplied 23% of white population total 12,992 killed Major garrisons / armories Fort Sumter, Charleston Harbor Governor Francis Pickens (1860 -- 1862) Milledge Bonham Andrew Magrath Senators Robert Woodward Barnwell James Lawrence Orr Representatives List Restored to the Union July 9, 1868
Document 6: Charleston, South Carolina: Public institutions of higher education in Charleston include the College of Charleston (the nation's 13th-oldest university), The Citadel, The Military College of South Carolina, and the Medical University of South Carolina. The city is also home to private universities, including the Charleston School of Law . Charleston is also home to the Roper Hospital School of Practical Nursing, and the city has a downtown satellite campus for the region's technical school, Trident Technical College. Charleston is also the location for the only college in the country that offers bachelor's degrees in the building arts, The American College of the Building Arts. The Art Institute of Charleston, located downtown on North Market Street, opened in 2007.
Document 7: Charleston, South Carolina: Charleston is the primary medical center for the eastern portion of the state. The city has several major hospitals located in the downtown area: Medical University of South Carolina Medical Center (MUSC), Ralph H. Johnson VA Medical Center, and Roper Hospital. MUSC is the state's first school of medicine, the largest medical university in the state, and the sixth-oldest continually operating school of medicine in the United States. The downtown medical district is experiencing rapid growth of biotechnology and medical research industries coupled with substantial expansions of all the major hospitals. Additionally, more expansions are planned or underway at another major hospital located in the West Ashley portion of the city: Bon Secours-St Francis Xavier Hospital. The Trident Regional Medical Center located in the City of North Charleston and East Cooper Regional Medical Center located in Mount Pleasant also serve the needs of residents of the city of Charleston.
Document 8: Private school: Religiously affiliated and denominational schools form a subcategory of private schools. Some such schools teach religious education, together with the usual academic subjects to impress their particular faith's beliefs and traditions in the students who attend. Others use the denomination as more of a general label to describe on what the founders based their belief, while still maintaining a fine distinction between academics and religion. They include parochial schools, a term which is often used to denote Roman Catholic schools. Other religious groups represented in the K-12 private education sector include Protestants, Jews, Muslims and the Orthodox Christians.
Document 9: Charleston, South Carolina: Charleston is known for its unique culture, which blends traditional Southern U.S., English, French, and West African elements. The downtown peninsula has gained a reputation for its art, music, local cuisine, and fashion. Spoleto Festival USA, held annually in late spring, has become one of the world's major performing arts festivals. It was founded in 1977 by Pulitzer Prize-winning composer Gian Carlo Menotti, who sought to establish a counterpart to the Festival dei Due Mondi (the Festival of Two Worlds) in Spoleto, Italy.
Document 10: Charleston, South Carolina: The community was established by several shiploads of settlers from Bermuda (which lies due east of South Carolina, although at 1,030 km or 640 mi, it is closest to Cape Hatteras, North Carolina), under the leadership of governor William Sayle, on the west bank of the Ashley River, a few miles northwest of the present-day city center. It was soon predicted by the Earl of Shaftesbury, one of the Lords Proprietors, to become a "great port towne", a destiny the city quickly fulfilled. In 1680, the settlement was moved east of the Ashley River to the peninsula between the Ashley and Cooper Rivers. Not only was this location more defensible, but it also offered access to a fine natural harbor.
Document 11: Charleston, South Carolina: Charleston is the oldest and second-largest city in the U.S. state of South Carolina, the county seat of Charleston County, and the principal city in the Charleston–North Charleston–Summerville Metropolitan Statistical Area. The city lies just south of the geographical midpoint of South Carolina's coastline and is located on Charleston Harbor, an inlet of the Atlantic Ocean formed by the confluence of the Ashley and Cooper Rivers, or, as is locally expressed, "where the Cooper and Ashley Rivers come together to form the Atlantic Ocean."
Document 12: Charleston, South Carolina: Charleston is the oldest and largest city in the U.S. state of South Carolina, the county seat of Charleston County, and the principal city in the Charleston -- North Charleston -- Summerville Metropolitan Statistical Area. The city lies just south of the geographical midpoint of South Carolina's coastline and is located on Charleston Harbor, an inlet of the Atlantic Ocean formed by the confluence of the Ashley and Cooper rivers. Charleston had an estimated population of 134,385 in 2016. The estimated population of the Charleston metropolitan area, comprising Berkeley, Charleston, and Dorchester counties, was 761,155 residents in 2016, the third - largest in the state and the 78th - largest metropolitan statistical area in the United States.
Document 13: Charleston, South Carolina: The Charleston-North Charleston-Summerville Metropolitan Statistical Area consists of three counties: Charleston, Berkeley, and Dorchester. As of the 2013 U.S. Census, the metropolitan statistical area had a total population of 712,239 people. North Charleston is the second-largest city in the Charleston-North Charleston-Summerville Metropolitan Statistical Area and ranks as the third-largest city in the state; Mount Pleasant and Summerville are the next-largest cities. These cities combined with other incorporated and unincorporated areas along with the city of Charleston form the Charleston-North Charleston Urban Area with a population of 548,404 as of 2010. The metropolitan statistical area also includes a separate and much smaller urban area within Berkeley County, Moncks Corner (with a 2000 population of 9,123).
Document 14: Montevideo: The Christian Brothers of Ireland Stella Maris College is a private, co-educational, not-for-profit Catholic school located in the wealthy residential southeastern neighbourhood of Carrasco. Established in 1955, it is regarded as one of the best high schools in the country, blending a rigorous curriculum with strong extracurricular activities. The school's headmaster, history professor Juan Pedro Toni, is a member of the Stella Maris Board of Governors and the school is a member of the International Baccalaureate Organization (IBO). Its long list of distinguished former pupils includes economists, engineers, architects, lawyers, politicians and even F1 champions. The school has also played an important part in the development of rugby union in Uruguay, with the creation of Old Christians Club, the school's alumni club.
Document 15: Private school: Although most are non-aligned, some of the best known independent schools also belong to the large, long-established religious foundations, such as the Anglican Church, Uniting Church and Presbyterian Church, but in most cases, they do not insist on their students’ religious allegiance. These schools are typically viewed as 'elite schools'. Many of the 'grammar schools' also fall in this category. They are usually expensive schools that tend to be up-market and traditional in style, some Catholic schools fall into this category as well, e.g. St Joseph's College, Gregory Terrace, Saint Ignatius' College, Riverview, St Gregory's College, Campbelltown, St Aloysius' College (Sydney) and St Joseph's College, Hunters Hill, as well as Loreto Kirribilli, Monte Sant Angelo Mercy College, St Ursula's College and Loreto Normanhurst for girls.
ground_truth: 150 years
sub_queries: What is the oldest city in South Carolina? Answer: Charleston
How old are some of Charleston 's private school? Answer: 150 years