Here are lists of schools which only admit boys, in the United States
Bay Area:
San Diego area:
Pinecrest Academy (Cumming) puts boys and girls in separate classes.
Former boys' schools:
Former boys' schools
in New York City:
Outside of New York City:
Former boys' schools:
Arden
Former boys' schools:
Memphis
Chattanooga
Nashville
King Abdullah Academy is coeducational but has separate boys' secondary classes.
Collegiate School is coeducational but puts boys and girls in separate classes during the Middle School years.
Became coeducational:
Note that some juvenile correctional facilities are named as "Boys' School" or "School for Boys", such as:
Yeshivas Chofetz Chaim is an Orthodox yeshiva based in Kew Gardens Hills, Queens, New York, United States. It is primarily an American, non-chasidic Haredi Talmudic yeshiva. The yeshiva is legally titled Rabbinical Seminary of America (RSA) but is often referred to as just Chofetz Chaim as that was the nickname of its namesake, Yisroel Meir Kagan. It has affiliate branches in Israel and North America.
Strake Jesuit College Preparatory is a Jesuit, college-preparatory school for boys, grades 9–12, in the Chinatown area and in the Greater Sharpstown district of Houston, Texas, United States. It is near Alief.
The Philadelphia Catholic League is a high school sports league composed of 18 Catholic High Schools in Philadelphia and the surrounding Pennsylvania suburbs. The league itself was founded in the summer of 1920 on the steps of Villanova academy by Monsignor Bonner. The league originally consisted of three sports, one per season: Football in the fall, Basketball in the winter and Baseball in the spring. This was expanded in 1944 to include Cross-country in the fall, Wrestling in the winter, and Track in the spring.
Tomchei Tmimim is the central Yeshiva of the Chabad-Lubavitch Hasidic movement. Founded in 1897 in the town of Lubavitch by Rabbi Sholom Dovber Schneersohn, it is now an international network of institutions of advanced Torah study, the United Lubavitcher Yeshivoth.
Lasallian educational institutions are educational institutions affiliated with the De La Salle Brothers, a Catholic religious teaching order founded by French priest Saint Jean-Baptiste de La Salle, who was canonized in 1900 and proclaimed by Pope Pius XII as patron saint of all teachers of youth on May 15, 1950. In regard to their educational activities, the Brothers have since 1680 also called themselves "Brothers of the Christian Schools", associated with the Institute of the Brothers of the Christian Schools; they are often referred to by themselves and others by the shorter term "Christian Brothers", a name also applied to the unrelated Congregation of Christian Brothers or Irish Christian Brothers, also providers of education, which commonly causes confusion.
The Chicago Catholic League (CCL) is a high school athletic conference based in Chicago, Illinois, United States. All of the schools are part of the Illinois High School Association, the governing body for Illinois scholastic sports. While some of the schools are coeducational institutions, the conference only supports athletics for male teams.
Men's colleges in the United States are primarily, though not exclusively, those categorized as being undergraduate, bachelor's degree-granting single-sex institutions that admit only men. In the United States, male-only undergraduate higher education was the norm until the 1960s. The few remaining well-known men's colleges are traditional independent liberal arts colleges, though at present the majority are institutions of learning for those preparing for religious vocations, primarily in the Roman Catholic and Orthodox Jewish religious traditions.
Mesivta is an Orthodox Jewish yeshiva secondary school for boys. The term is commonly used in the United States to describe a yeshiva that emphasizes Talmudic studies for boys in grades 9 through 11 or 12; alternately, it refers to the religious studies track in a yeshiva high school that offers both religious and secular studies.
Monsignor Bonner High School was an all-male Augustinian Catholic High School in the Roman Catholic Archdiocese of Philadelphia. It was located in Upper Darby Township, Pennsylvania. Bonner was created in 1953 as Archbishop Prendergast High School for Boys. In 1955, the current building was constructed, and in 1957 entitled Monsignor Bonner High School. The previously occupied building became the all-female Archbishop Prendergast High School. In 2012, Bonner merged with the all-girls Archbishop Prendergast High School to form Monsignor Bonner and Archbishop Prendergast High School. The Order of St. Augustine is no longer associated with the combined institution.
Rav Teitz Mesivta Academy, commonly known as RTMA or JEC High School, is a Yeshiva high school located in Elizabeth, New Jersey and a branch of the Jewish Educational Center. Founded in 1955 by Rabbi Pinchas Mordechai Teitz, RTMA adheres to the tenets and practices of Orthodox Judaism. It is one of the country's earliest and leading Modern Orthodox Yeshiva high schools. RTMA's dual curriculum offers courses in Torah studies, as well as college preparatory academics. Most of its students reside in the Orthodox Jewish communities of New Jersey and New York. The school has been accredited by the Middle States Association of Colleges and Schools Commission on Secondary Schools since 2008 and is accredited until January 2024.