How many LCMS schools are there?

2,444.

As published on a Lutheran Church-Missouri Synod press release issued in March 2010, there are 2,444 LCMS schools across the US (including preschools, elementary schools and high schools), with a total of 255,176 students. In addition, LCMS has 2 seminaries and 10 universities, and has a team of 26,600 educators.