Queen Latifah (left) hosts the new special ”Teach.” (Don Holtz/CBS)

Just in time for the school year, the two-hour special “Teach” (CBS at 8) looks at this country’s education system through the eyes of educators, with extensive footage from public schools in Denver, Los Angeles and Kuna, Idaho. Queen Latifah hosts, and celebrity guests Anna Faris, Jerry O’Connell, Rashida Jones, Jon Cryer and Joseph Gordon-Levitt join to help honor teachers.

A couple of beauty pageant contestants compete for love — and cash prizes — on the night’s first episode of “Perfect Score” (CW at 8), followed by another installment starring an intelligent woman that all the guys want to date.

RETURNING SHOW: “Dallas Cowboy Cheerleaders: Making the Team” (CMT at 9) returns for Season 8, as more than 500 women compete against nearly three dozen veterans for a spot on the squad.

Now we’re seeing the real downside of mixing male and female models together on “America’s Next Top Model” (CW at 9), as some of the guys play a prank on a girl that winds up throwing off her whole day. Later, the models start bickering during a photo shoot involving nail art.

Zak becomes mysteriously ill while the gang tours an abandoned Missouri jail on “Ghost Adventures” (Travel at 9), which involves a look at various cells and dungeons in the building.

SERIES PREMIERE: E! launches a new weekly talk show, “Hello Ross” (at 10), starring network correspondent Ross Mathews talking about pop culture and the buzzworthy topics of the day.

USA didn’t pick up the drama “Wild Card,” about a pair of lawyers who handle issues that inevitably arise after people party hard in Las Vegas, but the network airs the hour-long pilot Friday night (at 10).

A single mom likes to wear a frog costume to promote her catering business on “What Not to Wear” (TLC at 10), so Stacy and Clinton gently break the news that she should probably be going with a more “sophisticated” look.

Comedian/talk show host Arsenio Hall is on “Late Show With David Letterman” (CBS at 11:35), along with comedian Dan Naturman and musical guest Laura Mvula.

“The Tonight Show With Jay Leno” (NBC at 11:35) has reality show judge Simon Cowell, radio host Adam Carolla and a performance by American Authors.

Singer Celine Dion and actor Jim O’Heir visit “Jimmy Kimmel Live” (ABC at 11:35).

— Emily Yahr