N.H. Rev. Stat. Ann. § 186-B:1

To enable the state to more effectively provide services to the blind of all ages in the state, it is the intent of this chapter to place the functions of education, training, vocational rehabilitation, and related services of the blind under one administration. By this transfer of functions, all of the responsibility for the education and training of all disabled children in the state becomes the responsibility of the department of education.