In the seven years new Astros' GM Jeff Luhnow was responsible for the Cardinals' draft(2005-2011), St. Louis made a total of 152 picks in the first 20 rounds of the draft. Here's a breakdown on the makeup of those 152 picks:
4-year college or JUCO-54
High School- 13
4-year college or JUCO- 59
For comparison's sake, here's a breakdown of the 143 players the Astros selected in the first 20 rounds of the draft over the same time period:
4-year college or JUCO-47
4-year college or JUCO-53
NOTE: This data was compiled using draft information found on THE BASEBALL CUBE.