Exams are on every Saturday starting at 10AM (ET time). Candidates should be able to pay the fee to ISODS at least 1 week before the exam date to ensure a slot. All the exams are proctored online via Google Workspace – Google Meet.

Currently ISODS receives fee via PayPal to This email address is being protected from spambots. You need JavaScript enabled to view it.. Fees can be paid via bank accounts, or credit cards (a convenient fee applies for credit cards by PayPal) with the exact amount required for the intended exam. In the note in the payment, please follow the following format “First name, last name, email to register, address, exam code, date”, corresponding to the first name and last name, and email address of the candidate who takes the exam (should be Gmail), (Street address, city, state and zip code if applicable, country), exam code (e.g. DSA), and exam date in MM/DD/YYYY format. An example is “John Doe, This email address is being protected from spambots. You need JavaScript enabled to view it., (1234 NW Bobcat Lane, St. Robert, MO 65584-5678), DSA, 12/03/2022”.

 All the exams are at a discount of 50% for September 2022.

Once the fee is paid, the candidate will be contacted for further instructions. Questions should be sent to This email address is being protected from spambots. You need JavaScript enabled to view it..

For DSA exams, candidates will be given up to 3 problems. Candidates will be expected to write the solutions (preferred Python), test cases based on a template, analyze time and space complexity (see leetcode.com for examples).