Timeline of abuse allegations this school year against Mno Grant Elementary School special education teacher Theresa Allen-Caulboy:

August 2011: Theresa Allen-Caulboy starts teaching autistic kindergarten and first grade students at Mno Grant Elementary in Antioch.

Sept. 13, 2012: A speech-language pathologist voices concerns over Allen-Caulboy's classroom management interventions.

Nov. 1-2: The speech instructor sees Allen-Caulboy yelling at nonverbal students.

Dec. 7: The speech instructor sees Allen-Caulboy yell at a child, while holding the student between her legs.

Dec. 10: An unidentified mother complains to the district about Allen-Caulboy, saying she will go to police and the media. The special education district official says he "de-escalated" her and recommends an internal investigation.

Jan. 9: A classroom aide visits the principal's office after seeing a bruise on a student in Allen-Caulboy's class. A Child Protective Services report is made that morning and the worker says she will visit the parent.

Jan. 15: The Times runs front-page article on Brentwood special education teacher who kicked an autistic student leading to $950,000 settlement with the child's family.

Jan. 16: Mno Grant Principal Michael Green says he was made aware that mother Heather Carranza believes Allen-Caulboy harmed her child.

Jan. 17: Green completes a separate investigation into another unidentified mother's accusation that Allen-Caulboy shoved her son's head into a table, causing a bruise. Aides could not verify that abuse, but they bring up to the principal other examples of the teacher hitting students.


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Jan. 17: A parent says she was told by a school employee that her child's nipple was pinched by Allen-Caulboy. She writes district officials the next day detailing the allegations.

Jan. 18: District places Allen-Caulboy on leave as they investigate abuse allegations.

Jan. 21: A parent reports abuse to police.

Jan. 22: Green writes head of human resources about possible intimidation by Allen-Caulboy toward her aides.

Jan. 30: Carranza emails the principal about abuse allegations.

Feb. 13: Allen-Caulboy resigns.

March 18: Parents of three students file claims against four current and former district employees.

March 26: Antioch police present case to the Contra Costa District Attorney's Office involving abuse allegations against Allen-Caulboy involving a student. No charges have been filed at this point.

April 3: The parents file a federal civil rights lawsuit against the district and five current and former district employees.