New Hampshire DECA is a student organization for individuals who are planning careers in business, marketing and management and are enrolled in business, marketing, and/or vocational marketing education programs. New Hampshire DECA has approximately 600 members with five divisions.

At the high school level, several high schools and vocational centers have DECA chapters. The goals of DECA are to develop leadership abilities, social and business etiquette, civic responsibility, ethical behavior in business relationships, and to understand the role of the free enterprise system in a global economy.

New Hampshire DECA is a tax-exempt, not-for-profit education association and is affiliated with the National DECA Association in Reston, Virgina. New Hampshire DECA is supported by a grant from the federal government through the New Hampshire Department of Education and the Bureau of Vocational-Technical Education. The project is managed by the Technical Education Consortium of New Hampshire.