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Table showing heights of children in centimetres admitted to each open-air school, to all the open-air schools,
and also for Council schools generally.
Thin lines showing weights of children on admission to open-air schools. Thick lines showing standard
weights of 20,000 boys and girls in ordinary Council schools.
The alterations in weight were taken to afford a better indication of improved nutrition. The
weighing was done in the afternoons after the rest hours. During the very hot weather a loss of weight
was apparent in many children over and above what lighter clothes could account for. The school at
Bostall Woods was only open 13 weeks, whilst the others were open 21 weeks. For the tabular
statement, the first weighings were taken, the last weighing, and the number of weeks interval between
them to get a weekly rate of change in the weight. This has been averaged and expressed as a
percentage of the body weight at entrance to the school. The same has been done for the children in
the London Elementary Schools, from whom standards were obtained some years ago.

Table showing rates of growth in weight in kilograms reckoned on weight at middle of year of age for
20,000 children in Council schools. London, 1906.
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