A bracket system for attaching a headboard to a bed foundation. The bracket system includes a foundation bracket affixed to the bed foundation and a slide bracket affixed to the headboard. Each of the brackets is generally U-shaped having a pair of side plates extending outwardly therefrom. The dimensions and spacing of the side plates enables one bracket to interfit or nest within the other bracket. A securing device passes through both the foundation bracket and the slide bracket to secure the brackets together and affix the headboard to the bed foundation. In an alternate embodiment, the foundation brackets have a lower plate and side plates extending upwardly therefrom and are affixed to the head corners of the bed foundation. The slide bracket is affixed to the headboard and then to the directly to the bed foundation through the foundation bracket. In a further embodiment, the foundation bracket is eliminated.