Changes for 2021+

All guests (contestants and coaches) must have proof of COVID-19 vaccination to attend.

Power and Team rounds will take place in classrooms, with one team to each room. Individual and Marathon rounds will take place in the auditorium, with students distanced, sitting in every other seat. Lunch will be provided in the cafeteria, where students must sit with their teams.

Contest Information


This contest is open to teams from any high school within the five boroughs of New York City, private or public. Students must be in grades 9-12 to participate. Each school is guaranteed 1 team slot and may request up to 4 teams which will be distributed depending on available space. Also, teams may optionally bring 2 alternates. The alternates will form teams with alternates from other schools.

Size of teams

Teams will consist of 6 students, all from the same school. Partial teams are allowed, but they will be at a disadvantage.


None! The contest is absolutely free, thanks to the support of our sponsors.


No calculators or electronic devices are allowed. Students who are learners of English may use a paper dictionary. Full rules are available here.


See this document regarding some mathematical ideas used in this contest as well as conventions regarding the form of answers.


The format of the contest is a mini-ARML contest, with a few changes.

  1. Power Round (30 points)

    • 10 minute reading period for students to familiarize themselves with the needed theorems and other information

    • 60 minutes to work as a team to perform calculations and write proofs based on the given background information.

  2. Team Round (30 points)

    • 40 minutes to work as a team to answer 10 questions.

  3. Individual Round (60 points)

    • Five 10-minute rounds where students will answer a pair of questions, for a total of 10 questions.

  4. Marathon Round (26 points)

    • 60 minutes for the team to work through a maximum of 26 questions

    • Teams will be given two questions to work on. Once they complete a question, they can submit it to be graded and receive another question to work on.

    • Scores will be shown live on the screen.

Tentative Agenda

8:30am - 9:00am - Registration of Teams

9:00am - 9:30am - Introduction and Contest Orientation

9:45am - 10:35am - Team Round

Each six student team will have 40 minutes to answer 10 questions.

10:45am - 12:00pm - Power Round

After a 10 minute reading period, each six student team will have 60 minutes to complete a series of calculations and proofs.

12:00pm - 12:45pm - Lunch Break

12:50pm - 2:00pm - Individual Round

There will be four 10 minute rounds consisting of two questions for each round to be answered by students individually.

2:10pm - 3:25pm - Marathon Round

Each team of 6 will work on two questions at a time as a team. Scores will be updated live throughout the round.

3:30pm - 4:00pm - Tie-Breakers & Awards Ceremony