A record 16.6 percent of Montana high school seniors took college-level Advanced Placement classes in 2009, according to a new report.

The classes are considered one of the best ways to prepare students for college and can also reduce costs by making students eligible for college class credits.

"The gains that Montana students have made in terms of AP participation and success is another sign of our state's commitment to preparing students for college and careers," said Denise Juneau, Montana superintendent of public instruction. Read more in the Ravalli Republic.