St. John Vianney High School is a coeducational four-year Catholic high school on a campus in Holmdel Township, Monmouth County, New Jersey. It is operated under the supervision of the Diocese of Trenton and accredited by AdvancED.Saint John Vianney High School, AdvancED. Accessed November 7, 2017.

As of the 2017–18 school year, the school had an enrollment of 979 students and 64.4 classroom teachers (on an FTE basis), for a student–teacher ratio of 15.2:1. The school's student body was 82.8% (811) White, 5.0% (49) Hispanic, 4.9% (48) Asian, 3.7% (36) Black and 3.3% (32) two or more races.School data for St John Vianney Regional High School, National Center for Education Statistics. Accessed September 1, 2020.

The school motto is "Knowledge – Commitment – Involvement". The St. John Vianney High School Lancers wear the school colors of Gold, White and Black.

Students are required to wear uniforms, which change seasonally. In the fall and spring, a more casual polo shirt is worn paired with khaki pants or a plaid kilt. Winter requires more formal attire with white button-downs and pullovers. Boys are required to wear belts and ties in the winter as well. The only shoes allowed are Sperry boat shoes.

History Saint John Vianney High School (SJVHS) was founded in 1969 by the Roman Catholic Diocese of Trenton to serve the rapidly growing Catholic population in Monmouth County during the suburban expansion of the late 1960s and early 1970s. Named after Saint Jean-Baptiste Vianney, the patron saint of parish priests, the school was built on a 38-acre campus in Holmdel Township, strategically located near the Garden State Parkway to draw students from across the northern Shore region.

The school opened with an initial enrollment of under 300 students and has since grown to accommodate over 1,000 students annually. It was staffed initially by the Sisters of Charity of Convent Station and several lay teachers. Over time, the school transitioned to a predominantly lay faculty while maintaining a strong Catholic identity.

Throughout the 1980s and 1990s, the school expanded its facilities, including new classroom wings, a modern library, and upgraded science laboratories. In 2006, the school completed a major renovation of its athletic complex, including the construction of a new 12,000-square-foot athletic center and a 3,600-square-foot weight room.

In recent decades, Saint John Vianney High School has broadened its academic offerings, launching specialized academies in business, military leadership (through the Air Force JROTC), and most recently, law. It continues to serve students in grades 9–12 from Monmouth, Ocean, and Middlesex Counties, maintaining accreditation from the Middle States Association of Colleges and Schools since 1977.

Student body Saint John Vianney High School serves a diverse population of students from across Monmouth, Middlesex, and Ocean counties in central New Jersey. As a regional Catholic high school within the Diocese of Trenton, SJV draws students from more than 30 different parochial, public, and private middle schools.

Saint John Vianney maintains transportation partnerships and private busing routes to accommodate students commuting from outlying areas, and it maintains a strong alumni network throughout the region, contributing to continued multi-generational enrollment.

Education Saint John Vianney High School (SJVHS) offers a rigorous college preparatory curriculum structured around a 4x4 block scheduling system. This format divides the academic year into two semesters, during which students enroll in four courses per semester. Each class meets daily for 77 minutes, allowing for in-depth exploration of subjects and mimicking the pace of college-level courses.

The school provides a diverse academic portfolio, including Advanced Placement (AP) courses, Honors classes, and dual enrollment options through partnerships with local colleges. Specialized academies such as the Early College Academy, Business Academy, and Air Force Junior ROTC program offer students career-focused tracks. A Pre-Law Academy is scheduled to launch in Fall 2025.

Technology integration is central to SJVHS's academic environment. Each student is issued a tablet PC, and coursework is managed via the Canvas Learning Management System, promoting digital literacy and readiness for higher education and the workforce.

Beyond the classroom, SJVHS offers more than 35 student-run clubs and over 30 athletic programs. Facilities include a athletic center, a weight room, advanced science labs, and a renovated theater, all situated on a campus.

Pre-Law Academy Saint John Vianney High School offers a Pre-Law Academy as part of its academic enrichment programs. Designed for students interested in legal studies and related fields, the Pre-Law Academy provides an interdisciplinary curriculum that blends social studies, government, philosophy, and communication skills with a focus on law and ethics.

Students in the program take courses in constitutional law, criminal justice, and legal writing, and they participate in mock trial competitions, guest lectures from practicing attorneys and judges, and field trips to courthouses and law schools. The academy aims to equip students with critical thinking, public speaking, and analytical reasoning skills essential for legal careers.

Admission to the Pre-Law Academy is selective and requires a written application, teacher recommendations, and a demonstrated interest in legal studies. Students who successfully complete the academy may earn distinction upon graduation and are often well-prepared to pursue undergraduate studies in political science, pre-law, or related disciplines.

Air Force Junior ROTC (AFJROTC) Saint John Vianney High School hosts a unit of the Air Force Junior Reserve Officer Training Corps (AFJROTC), designated as NJ-20151. Established in 2015, the program is a partnership between the school and the United States Air Force aimed at developing students into responsible citizens and future leaders.

AFJROTC cadets at Saint John Vianney participate in a curriculum that includes aerospace science, leadership education, physical fitness, and community service. The program promotes values such as integrity, service, and excellence, and offers students opportunities to take part in drill competitions, leadership camps, and field trips to military installations.

Participation in the program is elective, and cadets are not required to enter military service. However, successful completion of the AFJROTC curriculum can improve students’ eligibility for college ROTC scholarships and advanced rank upon enlistment in the military.

Athletics The St. John Vianney High School LancersSaint John Vianney High School, New Jersey State Interscholastic Athletic Association. Accessed October 20, 2020. compete in Division B North of the Shore Conference, an athletic conference comprised of public and private high schools in Monmouth and Ocean counties along the Jersey Shore.Shore Conference Realignment for 2018-2019 and 2019-2020, Shore Conference. Accessed November 15, 2020.Member Schools, Shore Conference. Accessed November 15, 2020. The league operates under the jurisdiction of the New Jersey State Interscholastic Athletic Association (NJSIAA).League & Conference Officers/Affiliated Schools 2020-2021, New Jersey State Interscholastic Athletic Association. Accessed October 20, 2020. With 718 students in grades 10–12, the school was classified by the NJSIAA for the 2019–20 school year as Non-Public A for most athletic competition purposes, which included schools with an enrollment of 381 to 1,454 students in that grade range (equivalent to Group II for public schools).NJSIAA General Public School Classifications 2019–2020, New Jersey State Interscholastic Athletic Association. Accessed November 20, 2020. The school's co-op team with Ranney School was classified by the NJSIAA as Non-Public Group B (equivalent to Group I/II for public schools) for football for 2024–2026, which included schools with 140 to 686 students.NJSIAA Football Public School Classifications 2024–2026, New Jersey State Interscholastic Athletic Association, updated September 2024. Accessed September 1, 2024.

The school participates as the host school / lead agency for joint cooperative ice hockey team with Ranney School. The co-op program operates under an agreement scheduled to expire at the end of the 2023–24 school year.NJSIAA Winter Cooperative Sports Programs, New Jersey State Interscholastic Athletic Association. Accessed December 1, 2020.

The boys' cross country team won the Non-Public Group B state championship in 1973.NJSIAA Boys Cross Country State Group Champions, New Jersey State Interscholastic Athletic Association. Accessed May 1, 2023.

The girls' cross country team won the Group II state championship in 1978 and 1981, and won the Non-Public A title in 1983.NJSIAA Girls Cross Country State Group Champions, New Jersey State Interscholastic Athletic Association. Accessed May 1, 2023.

The 1978 boys' basketball team came into the playoffs with a 12–12 record and went on to win the Non-Public Group B state title, defeating runner-up Our Lady of the Valley High School by a score of 65–58 in the tournament final.Boys Basketball Championship History 1919–2024, New Jersey State Interscholastic Athletic Association, updated March 2024. Accessed March 26, 2024.Hintelmann, Jim. "Cinderella Lancers do it", The Daily Register, March 12, 1978. Accessed February 18, 2021. "Regardless of the reasons, St. John Vianney closed the books on a remarkable chapter in NJS1AA tournament history yesterday by stunning Our Lady of the Valley, 65-58, to take the state Parochial B championship. Going into the tourney, the Lancers were struggling with a 12-12 record and were not too impressive In a 52-43 victory over Mater Dei."

The football team won the Non-Public A South state sectional championship in 1980.NJSIAA Football History, New Jersey State Interscholastic Athletic Association. Accessed May 1, 2023.

The baseball team won the Non-Public Group A state championship in 1981 (defeating Saint Joseph of the Palisades High School in the tournament final) and 2014 (vs. St. Joseph Regional High School of Montvale).Baseball Championship History: 1959–2024, New Jersey State Interscholastic Athletic Association, updated September 2024. Accessed September 1, 2024. In 2014, St. John Vianney's baseball team defeated Gloucester Catholic High School by a score of 3–2 to win the NJSIAA Non-Public South A sectional final and won the state Non-Public A title as an 8 seed in their own section when they defeated St. Joseph Regional High School, the representative from North A by a score of 3–1 in the state championship game.Kratch, James. "Baseball state championships: St. John Vianney beats St. Joseph (Mont.) for Non-Public A title", The Star-Ledger, June 7, 2014. Accessed June 10. 2014. "The Lancers undoubtedly did just that, finishing off one of the most improbable state tournament runs in recent memory with a 3-1 triumph over St. Joseph of Montvale, No. 5 in The Star-Ledger Top 20, in the NJSIAA/Star-Ledger Non-Public A final at Toms River East High.... The Lancers (20-7) defeated No. 4 Bishop Eustace in the sectional quarterfinals, No. 7 Gloucester Catholic in the sectional semifinals and then St. Joseph (24-6-1) in the final."

The girls' tennis team won the Non-Public A state championship in 1988, defeating runner-up Academy of the Holy Angels in the final match of the tournament.Girls Tennis Championship History: 1971–2023, New Jersey State Interscholastic Athletic Association, updated November 2023. Accessed September 1, 2024.