Millburn High School is a four-year public high school serving students in ninth through twelfth grades from Millburn (including its Short Hills neighborhood), in Essex County, in the U.S. state of New Jersey, operating as the lone secondary school of the Millburn Township Public Schools. The school was honored with National Blue Ribbon School Award of Excellence in the 2007–08 school year and was named the top-ranked high school in the state in the September 2008 and 2010 issues of New Jersey Monthly.

As of the 2024–25 school year, the school had an enrollment of 1,380 students and 132.7 classroom teachers (on an FTE basis), for a student–teacher ratio of 10.4:1. There were 25 students (1.8% of enrollment) eligible for free lunch and 1 (0.1% of students) eligible for reduced-cost lunch.School data for Millburn High School, National Center for Education Statistics. Accessed January 15, 2026.

Demographics As of the 2025–26 school year, the student body was 43.6% White, 42.5% Asian, 5.1% Hispanic and 3.0% African American.Millburn High School in Millburn New Jersey, U.S. News & World Report. Accessed February 26, 2026.

Awards, recognition and rankings During the 2007–08 school year, Millburn School was recognized with the Blue Ribbon School Award of Excellence by the United States Department of Education,Addison, Kasi; and Juri, Carmen. "Three Essex schools capture blue ribbon", The Star-Ledger, October 7, 2007. Accessed October 14, 2007. "Principals in three Essex County schools found out last week their buildings joined an exclusive club of exemplary schools when the U.S. Department of Education named the nation's latest batch of No Child Left Behind -- Blue Ribbon Schools.... The three Essex County schools are Oakview School in Bloomfield, Millburn High School and Harriet Tubman School in Newark."No Child Left Behind - Blue Ribbon Schools Program: 2007 Schools, United States Department of Education. Accessed October 15, 2007. the highest award an American school can receive."CIBA cited as one of the best by Education Department", Journal Inquirer, November 16, 2006. "The Blue Ribbon award is given only to schools that reach the top 10 percent of their state's testing scores over several years or show significant gains in student achievement. It is considered the highest honor a school can achieve.""Viers Mill School Wins Blue Ribbon; School Scored High on Statewide Test", The Washington Post. September 29, 2005 "For their accomplishments, all three schools this month earned the status of Blue Ribbon School, the highest honor the U.S. Education Department can bestow upon a school."

In its 2015 report on "America's Top High Schools", Newsweek ranked Millburn the #1 open-admission and #4 non-magnet school in the nation. It placed 13th overall in the U.S. and 8th in the state among all participating public high schools (including selective admission and magnet schools). All schools ranked above Millburn are magnet programs that use selective enrollment."America's Top High Schools", Newsweek. Accessed October 15, 2015."TJHSST Admission" , Accessed October 18, 2015."Whitney HS Admissions", Accessed October 18, 2015."International Academy Admissions" , Accessed October 18, 2015.

In its 2013 report on "America's Best High Schools", The Daily Beast ranked the school 69th in the nation among participating public high schools and 6th overall (and the highest-ranked non-magnet school) among schools in New Jersey.Streib, Lauren. "America's Best High Schools" , The Daily Beast, May 6, 2013. Accessed May 8, 2013. The school was ranked 83rd in the nation and fourth in New Jersey on the list of "America's Best High Schools 2012" prepared by The Daily Beast / Newsweek, with rankings based 25% each on graduation rate, matriculation rate for college and number of Advanced Placement / International Baccalaureate courses taken per student, with 10% based on average scores on the SAT / ACT, 10% on AP/IB scores and an additional 5% based on the number of AP/IB courses available to students; It was the highest-ranked open enrollment (non-selective / non-magnet) school in the state.Staff. "America's Best High Schools 2012" , The Daily Beast / Newsweek, May 20, 2012. Accessed May 21, 2012.

In the 2011 "Ranking America's High Schools" issue by The Washington Post, the school was ranked 4th in New Jersey and 236th nationwide.Mathews, Jay. "The High School Challenge 2011: Millburn High School", The Washington Post. Accessed July 22, 2011. The school was ranked 170th in Newsweek 2009 ranking of the top 1,500 high schools in the United States and was the second-ranked school in New Jersey, with 3.165 AP tests taken in 2008 per graduating senior and 56% of all graduating seniors passing at least one AP exam, after being ranked 151st in 2008.Staff. "The Top of the Class: The complete list of the 1,500 top U.S. high schools", Newsweek, June 8, 2009. Accessed June 10, 2009. In Newsweek 2007 ranking of the country's top high schools, Millburn High School was listed in 165th place, the third-highest ranked school in New Jersey."The Top of the Class: The complete list of the 1,200 top U.S. schools" , Newsweek, May 22, 2007. Accessed May 24, 2007. The school was 181st, sixth-highest in New Jersey, on Newsweek May 8, 2006, list of 1,200 U.S. high schools.Top 1,200 High Schools in The United States - 2006, Newsweek May 8, 2006. Millburn High School was ranked as Number 148 in Newsweek 2005 rankings.Top 1000 High Schools in The United States - 2005 , Newsweek August 5, 2005.

The school was the 5th-ranked public high school in New Jersey out of 339 schools statewide in New Jersey Monthly magazine's September 2014 cover story on the state's "Top Public High Schools", using a new ranking methodology.Staff. "Top Schools Alphabetical List 2014", New Jersey Monthly, September 2, 2014. Accessed September 5, 2014. The school had been ranked 8th in the state of 328 schools in 2012, after being ranked 1st in 2010 out of 322 schools listed.Staff. "The Top New Jersey High Schools: Alphabetical", New Jersey Monthly, August 16, 2012. Accessed October 28, 2012. The school had also ranked highest in the state in the magazine's 2008 report.Staff. "2010 Top High Schools", New Jersey Monthly, September 2010. Accessed September 16, 2010. The school was ranked 3rd in the magazine's 2006 rankings out of 316 schools included across the state."Top New Jersey High Schools 2008: By Rank", New Jersey Monthly, September 2008, posted August 7, 2008. Accessed August 19, 2008.

Schooldigger.com ranked the school tied for 31st out of 381 public high schools statewide in its 2011 rankings (a decrease of 9 positions from the 2010 ranking) which were based on the combined percentage of students classified as proficient or above proficient on the mathematics (93.5%) and language arts literacy (98.5%) components of the High School Proficiency Assessment (HSPA).New Jersey High School Rankings: 11th Grade HSPA Language Arts Literacy & HSPA Math 2010-2011, Schooldigger.com. Accessed February 26, 2012.

In 2005–06, the school averaged an 1860 combined SAT score, seventh highest of all public high schools statewide and the highest score for any non-magnet general admission high school.2005-06 School Test Score Rankings , The Star-Ledger. Accessed June 19, 2007.

In 1998, Jay Mathews, an author and education reporter, named Millburn High School the second-best public school in the country, according to ratios of students taking AP exams.Hildebrand, John. "Rising to Academic Heights 3 high schools added to list of some of nation’s best", Newsday, March 20, 1998. Accessed March 18, 2024, via Newspapers.com. "One addition the East Williston district’s Wheatley School now ranks No 1 It edges out the former leader Millburn High School in northern New Jersey."

In January 2021, a team of students from Millburn High School was chosen as a Top Team in App Development Challenge (ADC) of NASA headed by the Office of STEM Engagement of the Johnson Space Center.Lissner, Caren. "Millburn Student Space Exploration Team Cited In NASA Challenge", Millburn-Short Hills, NJ Patch, January 28, 2021. Accessed February 6, 2021.

Reports from the school year 2020-2021 show that Millburn High School had the highest SAT scores of any non-magnet public school in the state, with average SAT scores of 1358.Lissner, Caren. "SAT Scores In Millburn Schools Among Highest In State Millburn High School's average SAT scores were higher than almost every high school in the state, except county magnet schools.", Millburn-Short Hills, NJ Patch, April 11, 2022. Accessed July 13, 2022. "And among those SAT scores, the Millburn School District had one of the highest averages in the state, 1358. The only districts with higher scores were county magnet or specialized high schools."

Athletics The Millburn High School MillersMillburn High School, New Jersey State Interscholastic Athletic Association. Accessed October 20, 2020. compete in the Super Essex Conference, which is comprised of public and private high schools in Essex County and was established following a reorganization of sports leagues in Northern New Jersey by 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. Prior to the 2010 realignment, the school had competed in the Skyline Division of the Northern Hills Conference.League Memberships – 2009-2010, New Jersey State Interscholastic Athletic Association, backed up by the Internet Archive as of July 24, 2011. Accessed September 16, 2014. With 1,047 students in grades 10–12, the school was classified by the NJSIAA for the 2019–20 school year as Group III for most athletic competition purposes, which included schools with an enrollment of 761 to 1,058 students in that grade range.NJSIAA General Public School Classifications 2019–2020, New Jersey State Interscholastic Athletic Association. Accessed November 20, 2020. The football team competes in the Freedom White division of the North Jersey Super Football Conference, which includes 112 schools competing in 20 divisions, making it the nation's biggest football-only high school sports league.Cooper, Darren. "Here's what we know about the new Super Football Conference 2020 schedule", The Record, July 23, 2020. Accessed March 22, 2021. "The Super Football Conference (SFC) is a 112-team group, the largest high school football-only conference in America, and is comprised of teams from five different counties."Cooper, Darren. "NJ football: Super Football Conference revised schedules for 2020 regular season", The Record, July 23, 2020. Accessed March 22, 2021. "The Super Football Conference has 112 teams that will play across 20 divisions." The school was classified by the NJSIAA as Group IV North for football for 2024–2026, which included schools with 893 to 1,315 students.NJSIAA Football Public School Classifications 2024–2026, New Jersey State Interscholastic Athletic Association, updated September 2024. Accessed September 1, 2024.

The school teams are officially called the Millburn Millers. However, most teams simply call themselves Millburn.

The boys track team won the Group II spring / outdoor track state championship in 1957 and the Group III title in 1960.NJSIAA Boys Spring Track Summary of Group Titles, New Jersey State Interscholastic Athletic Association. Accessed May 1, 2023.