From: Historical insights into British, Japanese and US general science from the first half of the twentieth century
Year
No. of schools reporting (No. of students)
1889-1890
4,158 (297,894)
1899-1900
7,983 (630,048)
1909-1910
11,994 (1,032,461)
1919-1920
16,419 (2,041,308)
1927-1928
20,564 (4,486,562)