A local teacher who was charged in connection with the beating of a minor teenager has pleaded guilty to misdemeanor assault charges and was sentenced to one year of probation.

Kelley Jo Gerdts, 37, turned herself in to police Aug. 27, 2010, after Davenport police investigators were directed to Gerdts by the Iowa Department of Human Services.

The victim was not one of her students. Police said they had an audio recording of one of the beatings taking place.

The audio recording is from an MP3 player and was recorded by another minor, police said.

She initially was charged with two felony counts of child endangerment, bodily injury, which were dismissed late last week when she pleaded guilty to the lesser assault charges.

Gerdts worked as a substitute teacher in the Davenport Community School District in 2008 and 2009, and she was employed for 10 days in 2010, ending in May, a district spokeswoman said last year.

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She also was a seventh-grade language arts teacher at North Scott Junior High in Eldridge, Iowa, from 2005 to 2007.

Her teacher’s license does not restrict which grades she is qualified to teach. As of Tuesday, state records showed that her license is valid until 2013.