An eighth grader whose body was discovered on Sunday in rural Pennsylvania days after he received an email from his school about overdue homework committed suicide, an autopsy has found. Cayman Naib, 13, had left his home in Newtown Square at 6.45pm on Wednesday after getting the email from Shipley School in Bryn Mawr. His body was found buried in snow in a shallow creek near his family's home. The Delaware County medical examiner's office has declared that Naib suffered a self-inflicted gunshot wound with a weapon taken from his home. Scroll down for video . Cayman Naib, 13, died from a self-inflicted gunshot wound with a gun taken from his family's Pennsylvania home, the Delaware County medical examiner's office declared on Monday . Grief counselors were sent to Bryn Mawr school on Monday and classmates remembered him as a ‘thoughtful, bright, fun-loving’ student at a candlelight vigil, hours after his body was found. ‘Cayman was such an admirable and interesting young man and our bonds and enjoyment to each other were continuously deepening as he was becoming a man,’ wrote his parents Farid Naib and Becky Malcolm-Naib on a Facebook page entitled 'Celebrating Cayman'. 'We are planning a memorial service on Saturday with details to follow. There is no getting away from the sad facts surrounding Cayman's death, but we want the memorial to be uplifting and celebrate his life. 'Our grief has been unbearable. It is only through the support of our many, many close friends and family that we can navigate these dark days.' The Facebook page - previously been called 'Find Cayman' - had been created to aid the search effort. The family had updated the page on Sunday afternoon with a message confirming Cayman's death. Cayman had left his home 30 minutes after getting an email from the Shipley School in Bryn Mawr about late homework . A police source said a K-9 team found Cayman Naib's body in Darby Creek on Sunday at 1.30pm . They wrote: 'It is with a heavy heart that we share news that the family has just learned through the search and rescue team and local law enforcement that Cayman has been found deceased. 'Please understand that the family is still processing and struggling with this most recent news but that they would like to thank all of the thousands of people over the last five days – friends, family, community, law enforcement, local, county, and federal, search and rescue, fire departments, the school communities, especially Shipley and Episcopal Academy, and even perfect strangers – who have come together to support the family to find Cayman.' The family has asked for privacy and will not update the Facebook page while the investigation is ongoing. They have a daughter as well. Police were investigating the matter as a runaway case, according to FOX 29. Before getting the heartbreaking news, Farid Naib, Cayman's father, called his son 'a great kid'. He said: 'He was upset over a homework assignment and went out into the storm Wednesday night.' The Shipley School (above) sent Cayman an email about overdue homework 30 minutes before he went missing . When Cayman went missing from his home on Harrison Drive (above) in Newtown Square, he left his wallet . Hundreds of people had been handing out fliers and canvassing the area looking for Cayman . Hundreds of people had been  handing out fliers and canvassing the area while others were spreading the word about Cayman's disappearance online with the hashtag #FINDCAYMAN. According to a post on the Facebook page, the search for Cayman on Saturday  included 15 dog teams with their handlers, a group of more than 250 volunteers and the Berwyn Fire Department. On Sunday morning, Becky and Farid Naib wrote: 'The search continues today. 'We have been overwhelmed by our friend's and our community's support. 'Close family friends have taken on enormous responsibility in helping us cope with our grief and worry and the needs of interacting with the various groups assisting us. 'Friends from thousand s of miles away have flown into help with search. 'We are stunned by the depth of assistance we are being provided. 'Law enforcement from our local police to the federal level are doing everything they can to help. 'All we need now is a happy ending, . 'Cayman please come home. We love you.' The civil air patrol was also deployed as part of the search effort on Sunday.
Cayman Naib, 13, died from a self-inflicted gunshot wound with a gun taken from his family's Pennsylvania home . The teen had disappeared on Wednesday not long after he had received an email from school concerning overdue homework . His body was found buried in snow in a shallow creek near his family's home on Sunday . 'Our grief has been unbearable,' wrote his parents on a Facebook page setup to celebrate their son's life .