The official life gives a diagram and particulars of the growth of the school during Sanderson's time, and there is no need to repeat those particulars here. From 1892 to 1900 there was no very remarkable¹ increase in the number of boys; it rose from ninety-odd to a hundred and twenty[Pg 43] or so. Then as Sanderson's grip became sure there followed a rapid expansion.  
From 1900 onwards Oundle grew about as fast as it was possible to grow. New laboratories were built, new subjects introduced so as to furnish a wider and wider variety of courses to meet such intellectual types as the school had hitherto failed to interest. There was a great development of biological and agricultural work from about 1909 onward². The attention given to art increased, and there was a great change and revolution in the history teaching. By 1920 the numbers of the school were soaring up towards six hundred. He wanted them to go to eight hundred, because he still wanted to increase the variety of courses, and the larger numbers gave a better prospect^............