The Sisters of Mercy is a religious institute for women in the Roman Catholic Church. It was founded in 1831 in Dublin, Ireland, by Catherine McAuley. As of 2019, the institute has about 6200 sisters worldwide, organized into a number of independent congregations. They also started many education and health care facilities around the world.
The Academy of Saint Joseph, in Brentwood, New York, was a Catholic college-preparatory school for Kindergarten to Grade 12, single-sex for girls grades 9 - 12. The academy was founded in 1856, by the Sisters of Saint Joseph named after Saint Joseph. At the request of the Bishop of Brooklyn, Mother Austin Kean came from Philadelphia to Brooklyn to found what is now the Sisters of St. Joseph of Brentwood, New York. She was accompanied by Sister Baptista Hanson and Sister Theodosia Hegeman from Buffalo. It closed in 2009, after a 153-year history of educating the youth of Brooklyn, Queens and Long Island.
Mount Saint Mary Academy is a four-year private high school for girls, located in Watchung, in Somerset County, in the U.S. state of New Jersey. Located in the Roman Catholic Diocese of Metuchen, the school operates financially independent of the Diocese.
Our Lady of Mercy School for Young Women is a private all-girls Catholic school teaching grades 6–12, located in Brighton, Monroe County, New York, United States, near Rochester. It is located within the Roman Catholic Diocese of Rochester.
Our Lady of Mercy Academy, also referred to as OLMA, was a private Catholic College preparatory school for young women, founded in 1928 in Syosset, NY. The academy was governed by a board of directors and it was operated by the Sisters of Mercy. Our Lady of Mercy Academy was Permanently Closed in August 2024.
Buffalo Academy of the Sacred Heart is a Catholic Sisters of St. Francis of Penance and Christian Charity private high school for young women located in Eggertsville, New York, United States. It is operated independent of the Diocese of Buffalo.
Nardin Academy was founded by the Daughters of the Heart of Mary in 1857. The academy includes a college preparatory high school for young women, a co-educational elementary school, and a Montessori school for toddlers through 3rd grade, and is located in Buffalo, New York.
Mercy High School is a private and independent Catholic high school for girls sponsored by the Sisters of Mercy and is located within the Archdiocese of Baltimore on a 26-acre campus at 1300 East Northern Parkway in Baltimore, Maryland. It is the only Catholic girls' school in Baltimore City with playing fields onsite.
Gwynedd Mercy Academy High School is a private, Roman Catholic, all-girls high school in Gwynedd Valley, Pennsylvania. It is located on the campus of Gwynedd Mercy University and is operated within the Archdiocese of Philadelphia.
Holy Angels Academy was a former all-girls, private, Roman Catholic high school in Buffalo, New York.
Immaculata Academy was a private, Roman Catholic high school for girls in Hamburg, New York within the Diocese of Buffalo.
Mount Saint Mary Academy is an all-girls private, Roman Catholic high school in Kenmore, New York within the Diocese of Buffalo.
St. Agnes Academic High School is a former all-girls, private, Roman Catholic high school in Queens, New York. It was located within the Roman Catholic Diocese of Brooklyn, and was established in 1908 by the Sisters of St. Dominic.
Saint Barnabas High School was an American all-girls, private, Roman Catholic high school located in the Woodlawn Heights section of the Bronx, New York. It also bordered the southeastern section of the city of Yonkers in neighboring Westchester County.
St. Catharine High School is an American all-girls', private, Roman Catholic high school located in the Pelham Gardens neighborhood of the Bronx, New York.
St. Raymond Academy for Girls is an American private, Roman Catholic high school for girls, located in the Parkchester neighborhood of the Bronx, New York.
Notre Dame School is an American private, Catholic secondary school for girls, located in the Manhattan borough of New York City, New York.
St. Michael Academy was an all-girls, private, Roman Catholic high school in Manhattan in New York City. It is located within the Roman Catholic Archdiocese of New York.
St. John Villa Academy was a private, Roman Catholic School on Staten Island in New York, New York. Its senior high school was all girls, while the K-8 school was co-ed. The school was located within the Roman Catholic Archdiocese of New York. St. John Villa Academy, owned and operated by the Sisters of St. John the Baptist, was located on the east shore of Staten Island, in the Arrochar neighborhood, overlooking the Verrazzano–Narrows Bridge and Lower New York Bay.
Our Lady of Victory Academy was a private, all-girls, Roman Catholic high school in Dobbs Ferry, New York.
