. The relation of the size of the class to school room efficiency. 10 15 20 2 5 30 35 45 55 56 up. 10 15 20 2 5 30 35 45 55 56 V. Size of Classes. Grade VI. FIGURE 10 15 20 (Me VII. 25 30 35 45 55 56 up. 10 15 20 25 30 35 45Size of Classes. Grade VIII. FIGURE XXXIV. m FIGURE XXXIII. ME. xFfFr OF 1. 3. S. /OHM 3

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Keywords: ., bookcentury1900, bookdecade1910, booksubjecttheses, bookyear1914