Yesterday, the Special Commissioner of Investigations Richard Condon released a report detailing shocking instances of NYC school students who managed to leave the school...without anyone knowing. Condon noted, "The allegations shared the common element of an adult—sometimes more than one—employed by the DOE who failed to supervise children in some way." And some of the incidents are very alarming—like a kindergartener who was placed in the wrong car service car and was driven off and a resident near a school who found a three-year-old left alone outside, crying "Mommy."

Condon notes that there were 279 complaints about unsupervised children in 2014, including 160 instances of children leaving the school, which is a 75% increase over 2013: "A number of the student in the complaints were in Pre-Kindergarten through 3rd Grade, or were Special Needs children. A likely reason for the spike in reporting is the tragic incident involving Special Needs student Avonte Oquendo in October 2013." Avonte, 13, fled his Long Island City school through an open door (staff had no idea); after a months-long search, his remains were found in nearby College Point.

Here are some of the incidents mentioned in the report, including a kindergartener being left at Chuck E. Cheese during a field trip and a first grader being picked up by another student's karate instructor.

In January 2014, a Kindergarten student was placed in a car service vehicle which was at the school to pick up another child. The unidentified driver drove away, but returned to the school about 10 minutes later when he realized he had the wrong passenger.

In February 2014, a 1st Grade student left the lunch line in the cafeteria, walked out of the school, and went home—about an eight minute walk. The school only learned the boy's whereabouts when his mother notified the school.

In February 2014, a Kindergarten student walked out of class, out the front door of the school, and went home. The boy's father returned him to the school.

In February 2014, the sister of a developmentally delayed five-year-old student reported the boy was not placed on the school bus at dismissal time; rather, he was brought home by an unidentified man who found the child outside the school.

In March 2014, a Kindergarten student walked out of the school and went home unescorted. The mother returned the student to the school.

In April 2014, a 12-year-old emotionally disturbed Special Education student walked out of a District 75 site and was missing. The student traveled on the subway for some time and eventually showed up at her former school.

In May 2014, a Pre-K student was placed on the wrong school bus and, at 6:30 p.m., her father took a taxi to the bus's last stop to pick up the girl.

In May 2014, a 2nd Grade student ran out of the school auditorium, where he was waiting for his parent who was late. No one realized the child was missing until the mother arrived. Camera footage show the student running out a side door of the school. New York City Police Department ("NYPD") Officers, who happened to be in the building, searched the area with mother; the student was found in a nearby park, playing basketball.

In June 2014, during a school trip, a Kindergarten student was left behind at a Chuck E. Cheese's; parents left the bus to return to the restaurant to locate the chid.

In June 2014, at dismissal, a 2nd Grade student was placed on a bus, although she did not take the bus. The child excited the bus and boarded a City bus; she was missing for several hours before found by the NYPD.

In September 2014, a 1st Grade student walked off the dismissal line; he was found by his mother, about block from the school.

In October 2014, a 3rd Grade student walked off the dismissal line and away from the school before his mother arrived to pick him up. The NYPD found the boy about an hour later; he was in a candy store.

In October 2014, a 1st Grade student was released to an unknown male before the boy's father arrived to pick him up. A karate instructor later returned the student to the school when he realized he had the wrong child.

In October 2014, when the mother of a Pre-K student arrived to pick him up at dismissal, she found the boy in the street outside the school.

In November 2014, a 3rd Grade student left the school through the front door and walked several blocks to his babysitter's residence.

In December 2014, an adult female, who was looking out her apartment window, noticed a small child sitting outside, in the yard of the neighboring school, without any supervision. The female went down to the little girl who was crying for "Mommy." when the female spoke with the principal, she learned that the child was three-year-old Pre-K student and there was no immediate explanation for the girl being left along outside.

In December 2014, a Kindergarten student, tired of waiting for the after school program to begin, left the building. About two hours later, staff at a local C-Town Supermarket contacted the school to report that the child was found alone in the store.

Condon points out that as Mayor de Blasio is bringing universal pre-K across the city, more and more (young) children are joining the one million-plus NYC public school student population. Among the recommendations he makes, Condon says the DOE should "consider recruiting teachers and other staff members to patrol hallways, 'cutting' areas, exits, and outside the building during free period. Many of the complaints steam from incident at dismissal time. To the extend possibly and necessary, schools should add personnel to the staff assigned to dismissing the students. It is worth reminding school staff to be vigilant in supervising children, particularly the youngest and most vulnerable students."

Schools Chancellor Carmen Farina says door alarms are being installed through the school system and that school staffs are being re-trained