TORONTO - A viral video of a school bus monitor in New York state being bullied by four middle schoolers shocked a Toronto man and prompted him to launch a fundraiser to send the woman on vacation.

"I felt deeply sad for Karen," said Max Sidorov, a 25-year-old nutritionist and graduate of York University. "I had some issues with bullying myself when I was a young kid and had just come to Canada, so I know where she's coming from."

The taunting and verbal abuse of the bus monitor was captured in a 10-minute cellphone video recorded by one of the students and posted to YouTube. It shows 68-year-old Karen Klein trying her best to ignore the stream of profanity, insults and outright threats directed at her. At one point in the video, she breaks down in tears.

The video generated an outpouring of support for Klein that spread beyond the United States. By early Friday, visitors to the international crowd funding site Indiegogo.com had pledged more than $438,000 for the grandmother of eight.

"Maybe we can send her on a great, early retirement," said Sidorov.

Meanwhile, Klein has told police she does not want the boys to face criminal charges. She said she is happy with the swift and strong community response against the verbal attack aboard a Greece Central School District bus, authorities said Thursday.

Criminally charging the boys, all seventh-graders, would require their conduct to rise to the level of a crime, Greece Police Capt. Steve Chatterton said. So far, it has not been found to reach that level.

Klein said she hoped the boys' parents would view the video of the attack and talk to their children about being "a little more respectful." Parents of all four boys are co-operating fully and say their children will be punished, Chatterton said.

By Thursday morning, the video had been viewed more than 1.5 million times on YouTube.

Sidorov says he was the subject of teasing at school when he first immigrated to Canada from Ukraine at age nine because he was a small kid and he spoke and dressed differently from the other kids.

"I think we can do something positive and spread light on this issue of bullying around the world," he said.

But the internet backlash against Sidorov has already begun, with some accusing him of using the campaign to promote his own nutrition book.

Sidorov says he provided a link to the book on the campaign page for Klein because people kept asking how they could help him in return. He says he had no part in organizing a campaign started by another Indiegogo to reward Sidorov for his efforts.

"I had no idea. He just emailed me and said, 'I started a fundraiser for you.' I was so touched, I was almost crying," said Sidorov.

"People have seen a lot of selfish acts on the internet, so they're very wary when someone comes along and does something like this without wanting something in return."

Klein told NBC's "Today" show Thursday that it took "a lot of willpower" not to respond to Monday's jeers from at least four seventh- and eighth-grade boys riding the bus operated by the Greece Central School District, a suburban Rochester district that's the ninth largest in the state.

"I'm not usually that calm. Just ask my kids," Klein said during the interview. "I'm sure they don't act that way at home, but you never know what they're going to do when they're out of the house."

She expressed gratitude over the show of public support for her, however.

"I'm so amazed," she said.

"I've got these nice letters, emails, Facebook messages," Klein said. "It's like, wow, there's a whole world out there that I didn't know. It's really awesome."

The support for Klein follows a recent surge in awareness of bullying in the United States and Canada.

This year, the White House held a conference on bullying prevention, estimating that it affects 13 million students, or about a third of those attending school. President Barack Obama said he hoped to "dispel the myth that bullying is just a harmless rite of passage or an inevitable part of growing up. It's not."

In April, the documentary film "Bully" examined the problem by following five kids over the course of a school year.

In Canada, Ontario this month passed anti-bullying legislation aimed at schools, despite opposition by Catholic educators and church leaders who took issue with provisions allowing students to call anti-homophobia clubs gay-straight alliances.

Some of Canada's leading experts on bullying expressed support for the new law and called for a national strategy to address what they consider an "epidemic.''

Klein didn't report the bullying, but school officials notified Town of Greece police when they learned of it. Police have questioned the students involved, but none have been charged.

The school district activated its bullying and violence prevention response team to investigate the incident.

At least two other videos showing Klein being taunted by students aboard a bus are known to have been posted online.

"We have discovered other similar videos on YouTube and are working to identify all of the students involved," according to a statement posted on the district's website.

--With files from The Associated Press

WARNING: The video below contains explicit language and may be upsetting.

Related on HuffPost:

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    Chilling video of 10-year-old Cequan Haskins being viciously bullied on a school bus in May 2011 was <a href="http://www.huffingtonpost.com/2012/07/23/cequan-haskins-10-year-old-bus-bullying-video_n_1695719.html?utm_hp_ref=school-bullying">released publicly by the boy's mother at a press conference</a> in Appomattox County, Va. Video of physical and verbal abuse goes on for 40 minutes and includes racial and sexual slurs, as well as Cequan screaming as two 15-year-old boys allegedly hold a hot cigarette lighter to his skin.

  • Nadia Ilse

    To ward off school bullies who began taunting her in the first grade for her ears, Nadia Ilse begged her mother at the age of 10 for an otoplasty -- an operation to pin her ears back. At the age of 14, Nadia was <a href="http://www.huffingtonpost.com/2012/07/28/nadia-isle-bullied-georgi_n_1712548.html?utm_hp_ref=school-bullying">granted her wish by the Little Baby Face Foundation</a>, a charity that provides free corrective surgery to children born with facial deformities.

  • Isabella Lounder

    Isabella Lounder, a 7-year-old student with special needs, was afraid to return for her first day of school in the fall of 2012. Mother Nicole Lounder says Isabella, who has dwarfism, was ignored by school officials, wetting her pants numerous times after failed attempts to use toilets that were out of her reach. Students would also pick her up, hurting her arms, <a href="http://www.huffingtonpost.com/2012/08/17/isabella-lounder-student-_n_1798770.html?utm_hp_ref=school-bullying">and she was once locked out of the school.</a>

  • Indiana Teen

    A student from Franklin Township Middle School East in Indiana was arrested after a cell phone video of a vicious school bus fight was posted to Facebook in August 2012. The fight broke out <a href="http://www.huffingtonpost.com/2012/08/30/franklin-township-middle-_n_1843062.html?utm_hp_ref=school-bullying">when one student had taken a seat on the bus that another wanted.</a>

  • Washington Teen

    A Washington state student was terrorized in a bullying attack by peers -- <a href="http://www.huffingtonpost.com/2012/08/30/john-rosi-washington-midd_n_1841998.html?utm_hp_ref=school-bullying">and at some points, by the teacher</a>. The incidents occurred in February at a Gig Harbor middle school. Cell phone footage shows more than a dozen students dragging the then-eighth-grade boy around the classroom, carrying him by his arms and legs, burying him under chairs, writing on his feet and stuffing his socks in his mouth. The antics last about 15 minutes while teacher John Rosi watches, and later joins in.

  • Katie Uffens

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  • Dalton Fleenor

    Oklahoma high school junior Dalton Fleenor reportedly told another student -- while away from campus -- “What he did was a p---- thing to do,” referring to a fellow classmate. The next day at school, the classmate in question punched Fleenor twice in the back of the head. Both students faced suspension, as Newcastle High School <a href="http://www.huffingtonpost.com/2012/09/06/oklahoma-high-school-stud_n_1862748.html?utm_hp_ref=school-bullying">treated the incident as a case of bullying</a>.

  • Whitney Kropp

    Whitney Kropp, a Michigan 16-year-old sophomore, <a href="http://www.huffingtonpost.com/2012/09/30/community-lauds-victim-of_0_n_1927380.html?utm_hp_ref=school-bullying">was the victim of an apparent prank by classmates.</a> Kropp was named to the homecoming court of the 800-student school in the fall of 2012, but said she felt betrayed after some students suggested her selection was a joke. She said she had been picked on in the past, but it intensified afterward.

  • Preston Deener

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  • Karen Klein

    Karen Huff Klein, a bus monitor for the Greece School District in Greece, N.Y., received an outpouring of support after a <a href="http://www.huffingtonpost.com/2012/06/20/greece-school-district-bullied-footage-causes-outrage_n_1612925.html?utm_hp_ref=school-bullying" target="_hplink">ten-minute video of her enduring vicious bullying</a> while watching over students on a bus ride home was uploaded to YouTube.

  • Stormy RIch

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  • Rachel Ehmke

    Rachel Ehmke, a 13-year-old seventh grader in Mantorville, Minn., died April 29, 2012 after hanging herself at her home. The months leading up to the tragedy <a href="http://www.huffingtonpost.com/2012/05/08/rachel-ehmke-13-year-old-_n_1501143.html?utm_hp_ref=school-bullying" target="_hplink">were a whirlwind of peer abuse instances</a>, her parents say.

  • Akian Chaifetz

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  • Joel Morales

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  • Darnell "Dynasty" Young

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  • Oklahoma Student

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  • Corey Pingeton

    Cory Pingeton, an 18-year-old student at Franklin High School in Franklin, Mass., <a href="http://www.huffingtonpost.com/2012/04/30/cory-pingeton-high-school-student-sucker-punched-at-school_n_1465390.html?utm_hp_ref=school-bullying" target="_hplink">required medical attention</a> in April 2012 after an unnamed suspect viciously attacked him in the school's hallway. After fleeing the campus following the attack, the suspected assailant now faced criminal charges.

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  • Ohio Boy

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  • Sawyer Rosenstein

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  • Female Students

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  • Lennon Baldwin

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  • David Pecoraro

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  • Kaleb Kula

    Kaleb Kula, a sixth grader with autism, was brutally beaten to the ground at his Maryland school bus stop in January 2012 while his peers stood by to watch -- <a href="http://www.huffingtonpost.com/2012/01/22/kaleb-kula-autistic-6th-g_n_1222068.html?ref=school-bullying" target="_hplink">and catch the act on camera.</a>

  • Warren Lewis

    Warren Lewis, a Houston teenager accused of shooting a classmate in the leg at school, said in January 2012 that he was defending himself from a <a href="http://www.huffingtonpost.com/2012/01/11/teen-in-texas-school-shoo_0_n_1200385.html?ref=school-bullying" target="_hplink">group of boys who had been bullying him.</a>

  • Phoebe Prince

    A lawsuit brought by the parents of Phoebe Prince, a 15-year-old Irish immigrant in Massachusetts who committed suicide after relentless bullying,<a href="http://www.huffingtonpost.com/2011/12/28/phoebe-prince-bullying-la_n_1172755.html?ref=school-bullying" target="_hplink"> was settled for $225,000 in December 2011.</a> <strong>Correction:</strong> A previous version of this slide incorrectly stated the date of settlement.

  • Restraining Order

    Kentucky mother Joy Furman claims her 9-year-old daughter has been bullied for two years at school, and seeks a restraining order against a fourth-grade boy she accused of tormenting her daughter, <a href="http://www.huffingtonpost.com/2012/04/24/girls-mom-seeks-restraini_n_1450299.html?ref=school-bullying" target="_hplink">kicking her in the chest and chasing her with scissors.</a>

  • Ashlynn Connor

    In November 2011, 10-year-old Ashlynn Connor hanged herself in her closet by a scarf, just a few weeks after she told her mother she was being bullied at Ridge Farm Elementary School in Illinois <a href="http://www.huffingtonpost.com/2011/11/14/ashlynn-conner-ten-year-o_n_1092683.html?ref=school-bullying" target="_hplink">and her mother denied the girl's request to be home schooled.</a>

  • Kelly Chafins, Christy Wilt

    Kelly Chafins and Christy Wilt of Miami Trace Middle School in Ohio were caught on tape in the fall of 2011 <a href="http://www.huffingtonpost.com/2011/11/08/kelly-chaffins-christy-wi_n_1081980.html?ref=school-bullying" target="_hplink">verbally abusing a 14-year-old special needs student.</a> Chaffins resigned and Wilt was scheduled to undergo a probation period as well as eight hours of mandatory training in "how to recognize child abuse and stop bullying."

  • Patty Fabian

    In October 2011, 15-year-old Patty Fabian was left with black eyes and a broken nose after <a href="http://www.huffingtonpost.com/2011/11/07/patty-fabian-15-year-old-bullied_n_1079761.html?ref=school-bullying" target="_hplink">a peer at Garland High School in Texas viciously assaulted her.</a> Video of the assault was posted on YouTube while Fabian was rushed to the hospital.

  • Rebecca Arellano, Haileigh Adams

    In the fall of 2011, Rebecca Arellano was crowned Patrick Henry High School's first lesbian homecoming king. The next day, her girlfriend Haileigh Adams was crowned queen. Despite widespread support from the school and the couple's friends and family, <a href="http://www.huffingtonpost.com/2011/11/01/rebecca-arellano-haileigh_n_1070436.html?ref=school-bullying" target="_hplink">the couple subsequently received waves of hateful phone calls and emails.</a>

  • Nicolette Taylor

    In the fall of 2011, 13-year-old Nicolette Taylor from Long Island <a href="http://www.huffingtonpost.com/2011/10/12/nicolette-taylor-13-year-_n_1007371.html?ref=school-bullying" target="_hplink">decided to get plastic surgery</a> after enduring online harassment and name-calling multiple times a week because of the shape of her nose.

  • Jamey Rodemeyer

    Taunted since grade school for hanging out with girls, 14-year-old Jamey Rodemeyer told his parents things were finally getting better since high school started. Meanwhile, on a blog his parents didn't know about, he posted increasingly desperate notes ruminating on suicide, bullying, homophobia and pop singer Lady Gaga. A few days later, he hanged himself outside his home in suburban Buffalo, <a href="http://www.huffingtonpost.com/2011/09/29/jamey-rodemeyers-suicide-_n_987054.html?ref=school-bullying" target="_hplink">quickly gaining a fame like that described in one of his idol's songs. </a>

  • Justin Aaberg

    15-year-old Justin Aaberg committed suicide in July 2010 after what his mother Tammy Aaberg says was relentless anti-gay bullying at his Minnesota school. Tammy Aaberg has since gathered signatures for a petition and marched to the office of her congresswoman, <a href="http://www.huffingtonpost.com/2011/09/16/tammy-aaberg-mother-of-te_n_966455.html?ref=school-bullying" target="_hplink">Republican Rep. Michele Bachmann, to call on Bachmann to publicly address gay bullying.</a>

  • Zachary

    When video of 15-year-old Zachary being beaten over and over again by a classmate went viral in October 2011, the school told the gay teen that he need to "tone [himself] down." The school's handling of the attack outraged Zach's mother Becky Collins, <a href="http://www.huffingtonpost.com/2011/11/15/teen-speaks-out-after-vic_n_1095874.html?ref=school-bullying" target="_hplink">who couldn't understand why officials would say her son needed to change, instead of the bullies. </a>