There are several online calculators that can help you determine the year you graduated from high school. Here are some of the most relevant search results:

• Graduation Year Calculator : This calculator works with the US education system in mind and assumes that school starts in the fall, graduation is in the spring, and there are 12 grades plus kindergarten. To use it, you need to set two options and double-check the math if youre skeptical.

• School Age Calculator USA : This calculator allows you to enter your state and date of birth to determine the year of entry into kindergarten and high school and the year of graduation. It also provides information on the age for schools in the USA.

• What Year Did I Graduate High School Calculator : This calculator is a simple and intuitive tool that can help you quickly determine your high school graduation year based on your age, date of birth, or which grade you were in a specific year. It employs various methods to calculate ones graduation year and allows you to choose your preferred method of calculation.

To use any of these calculators, you need to input the relevant information and click on "Calculate" or a similar button to receive your high school graduation year.