New Hampshire Code of Administrative Rules
Ed - Board of Education
Chapter Ed 300 - ADMINISTRATION OF MINIMUM STANDARDS IN PUBLIC SCHOOLS
Part Ed 321 - SCHOOL BUILDING CONSTRUCTION (Formerly Ed 305)
Section Ed 321.06 - Maximum Sizes for School Buildings

(a) Elementary schools, 120 square feet/pupil;

(b) Middle schools, 140 square feet/pupil;

(c) High schools, not including space in regional vocational centers, 160 square feet/pupil;

(d) School buildings with a design capacity of less than 250 students shall be allowed 144 square feet/pupil for an elementary school, 168 square feet/pupil for a middle school, and 192 square feet/pupil for a high school;

(e) Individual buildings that house combinations of 2 or more levels shall be subject to the limits for the highest level to be housed in the building;

(f) All spaces constructed using building aid in the past 35 years shall be included in the square footage when calculating the limits above. Conditions in the existing building that cause the total project to exceed the maximum size limits shall constitute sufficient justification for a waiver of the limits as authorized by RSA 198:15-b, IV, (d), provided that the size of the newly constructed space is consistent with similar spaces in an entirely new building that meets the limits, there is a financial benefit to the public, or both; and

(g) The above limits shall be waived by the commissioner of the department or the commissioner's designee upon a written request for a waiver from the school district under Ed 321.28.