Online ZIML Monthly Contests

Please use this link to access the previous Online ZIML Monthly Contests from earlier months to review your results.

The 2019-20 School Year will start with a Warmup Online ZIML Competition in September featuring problems from last year's Online ZIML Competitions.
To join for free, click one of the divisions below. You will be prompted to create a free account if you have not already done so.

The September Online ZIML Competitions are available below.

Division E

Division M

Division H

Jr Varsity



Save time and money by registering for the entire year of monthly contests using the bundles below.

Contest Format and Registration

  • The ZIML competition has 5 main divisions for students in elementary, middle, and high school. College students are not eligible to compete in any of the divisions.
  • The contest takes place the first weekend of each month of the school year (October through June). The contest opens Friday at 12:01 AM Pacific Time and closes Sunday 11:59 PM Pacific Time.
  • The exam is 1 hour long (with 20 questions) that can be taken anytime while the contest is open.
  • No calculators are allowed and each question has a number (integer or decimal) answer.
  • Registration is done using the links above. Registration for the next monthly competition opens on the 20th of the preceding month.
  • A practice exam is available on the Practice Page so students can get comfortable with the exam format.

ZIML Divisions

  • Varsity: The top division. Covers material on the level of the last 10 questions on the AMC 12 and AIME level. This division is open to all age levels.
  • Junior Varsity: The second highest competition division. Covers material at the AMC 10/12 level and State/National MathCounts level. Note that material such as complex numbers, advanced trigonometry, and logarithms are not required at this level. This division is open to all age levels.
  • High School (Division H): This division focuses on material from a standard high school curriculum. It covers topics up to and including pre-calculus. This division will serve as excellent practice for students preparing for the math portions of the SAT or ACT. This division is open to all age levels.
  • Middle School (Division M): This division focuses on problem solving using math concepts from a standard middle school math curriculum. Covers material on the level of AMC 8 and School/Chapter MathCounts. This division is open to all students who have not started grade 9.
  • Upper Elementary (Division E): This division focuses on advanced problem solving with mathematical concepts from upper elementary school. Covers material at a level comparable to MOEMS Division E. This division is open to all students who have not started grade 6.

2019-2020 Monthly Contest Dates

  • September 6-15 (warmup contest)
  • October 4-6
  • November 1-3
  • December 6-8
  • January 3-5
  • February 7-9
  • March 6-8
  • April 3-5
  • May 1-3
  • June 5-7


  • If a student receives 3 perfect scores on exams from one of the non-varsity divisions (UE, MS, HS, JV) they are have mastered the material and "advance" to a higher division.
  • These advancements work as follows:
    • 3 perfect scores in Division E advances to the Division M.
    • 3 perfect scores in Division M advances to Junior Varsity.
    • 3 perfect scores in Division H advances to Junior Varsity.
    • 3 perfect scores in Junior Varsity advances to Varsity.
  • When a student advances they are still allowed to take the exams from a lower division. HOWEVER, they are ineligible for awards and receive no points for exams in lower divisions. Note: the 3 perfect scores do not need to be consecutive.