ISE Card(International Student Exchange Card) - An internationally recognized identification card with thousands of discounts in over 80 countries, it is valid for one year from date of issue. Students of ANY age are eligible, as well as faculty members and children to young adults from 12-25. The price is $25 and you can purchase it online at www.isecard.com/products/index.html.
SIC (International Student Identity Card) - Full-time students 12 years and older offers discounts on travel rates, accommodations, shopping, entertainment, basic sickness and travel insurance, and inexpensive international phone calls. A passport sized photo is required and the card costs about $25 and is good through December 31st of each year. It can be purchased at www.isic.org/student-card/buy-an-isic.aspx.
IYTC (International Youth Travel Card) - A discount card for travellers under 26 who aren't enrolled in school, this card offers a smaller range of youth travel discounts. The card costs $22 card.