“the school should provide small class sizes with a maximum of 20.”
“In view of the very technical nature of acoustics reports and the scientific nature of the date, I suggested it might be an area in which the parties might wish to pursue a joint instruction since the gathering of the data could be undertaken on behalf of both with a view to assisting the tribunal in its consideration of the issues. It was agreed by the parties that they would take instructions upon this issue and would decide within a week of the hearing whether they would pursue the joint instruction thereby reducing the cost of the report for both of them.”
“… It is widely considered that class sizes greater than 20 pupils are unsuitable for teaching pupils with some types of profound hearing impairment because of the increase in ambient noise level in larger classes than this…”
“Noise levels during classes are, by the standards of large schools, unusually low due to the acoustic treatment and the excellent class discipline in the classes I witnessed. Even so, however, the lowest levels in class that I measured at [St. A’s School] were still significantly above the levels expected in corresponding much smaller classes.”
“27. The tribunal were provided with reports by two acoustic engineers, Mr James instructed by the appellants and Mr Richardson instructed by the local authority. The tribunal was invited to make findings about areas of dispute, namely class size and the acoustic environment in the schools on the basis of these reports. The tribunal did not consider it was appropriate to do so. The contents of the reports had not been agreed and the subject matter of the reports was highly technical. Given the importance of the evidence, if the subject matter and conclusions of the authors was disputed (and the parties indicated at the outset of the hearing that there was no dispute) then the authors of the reports should have been available to give evidence.”
“The FTT erred in law by not considering the evidence of the acousticians and in particular the evidence of Mr Richardson.”
“Mr. James in his report suggested that class sizes of more than 20 were not conducive to meeting the needs of some children with hearing impairments. However, the Local Authority commissioned a private acoustician who confirmed that [St. A’s School] could meet [B’s] needs and could provide an appropriate environment [B. 1041]. The report of Mr. Richardson should be preferred as he carried out a clear analysis of the classes that [B] would access, whereas Mr. James did not, he only asked to see a sample of the rooms available.”