College-preparatory school in the context of "Plainfield, New Hampshire"

Phillips Academy, also known as Andover, is a private, co-educational, boarding-and-day, college-preparatory school located in Andover, Massachusetts, near Boston. One of the highest-ranked high schools in the world, Phillips Academy is the oldest incorporated academy in the United States, having been founded in 1778. The school enrolls approximately 1,150 students in grades 9 through 12, including postgraduate students. It is part of the Eight Schools Association and the Ten Schools Admission Organization.

Phillips Academy has educated a distinguished list of notable alumni through its history, including American presidents George H. W. Bush and George W. Bush, several members of the Washington family and Kennedy family, Oliver Wendell Holmes Sr., Josiah Quincy III, Philip K. Wrigley, A. Bartlett Giamatti, Benjamin Spock, Frank Stella, Bill Belichick, foreign heads of state, members of Congress, five Nobel laureates and six Medal of Honor recipients, and numerous prominent artists, athletes, and businesspersons.

The Kantakuzina Katarina Branković Serbian Orthodox Secondary School, abbreviated as SPOG, is a coeducational gymnasium (analogous to a preparatory high school or grammar school) affiliated with the Metropolitanate of Zagreb and Ljubljana. It is situated in Zagreb, capital city of Croatia, and stands as one of only two non-seminary high schools of the Serbian Orthodox Church.

Established in 2005, the school claims to perpetuate a 200-year tradition of Orthodox minority education in Zagreb. Instruction at the institution is delivered in both Serbian and Croatian.

The Cetinje Gymnasium (Montenegrin: Гимназија Цетиње / Цетињска гимназија) is a public coeducational high school (gymnasium, similar to preparatory school) located in Cetinje, historic capital city of Montenegro.

College admissions in the United States is the process of applying for undergraduate study at colleges or universities. For students entering college directly after high school, the process typically begins in eleventh grade, with most applications submitted during twelfth grade. Deadlines vary, with Early Decision or Early Action applications often due in October or November, and regular decision applications in December or January. Students at competitive high schools may start earlier, and adults or transfer students also apply to colleges in significant numbers.

Each year, millions of high school students apply to college. In 2018–19, there were approximately 3.68 million high school graduates, including 3.33 million from public schools and 0.35 million from private schools. The number of first-time freshmen entering college that fall was 2.90 million, including students at four-year public (1.29 million) and private (0.59 million) institutions, as well as two-year public (0.95 million) and private (0.05 million) colleges. First-time freshman enrollment is projected to rise to 2.96 million by 2028.

Phillips Exeter Academy (also known as Exeter or PEA) is an independent, co-educational, college-preparatory school in Exeter, New Hampshire. Established in 1781, it is America's sixth-oldest boarding school and educates an estimated 1,100 boarding and day students in grades 9 to 12, as well as postgraduate students. Exeter is widely considered to be one of the most prestigious secondary schools in America.

Exeter houses the world's largest high school library. The academy admits students on a need-blind basis and offers free tuition to students with family incomes under $125,000. Its list of notable alumni includes U.S. president Franklin Pierce, U.S. politician Daniel Webster, over 35 U.S. congresspeople, 6 governors of U.S. states, Facebook founder Mark Zuckerberg, three Medal of Honor recipients, and three Nobel Prize recipients.

Northfield Mount Hermon School (abbreviated as NMH), is a co-educational college-preparatory school in Gill, Massachusetts. It educates boarding and day students in grades 9–12, as well as post-graduate students. It is a member of the Eight Schools Association.