We continue to update a story we've been following since November out of Genesee County. The New York State Health Department says there are twelve confirmed cases of students with "tic-like" symptoms within the LeRoy Central School District, as well as six suspected cases.

YNN has learned from doctors at Dent Neurologic Institute in Buffalo, who are treating several of these students diagnosed with 'conversion disorder', that four more female students have stepped forward, seeking treatment. YNN's Kate McGowan has the latest.

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The cluster of illnesses have thrown the community of LeRoy into the international spotlight, and has created fear among some at the school.

"A lot of the parents I've talked to, and their kids are healthy, but they are now apprehensive," said concerned parent, Jim Dupont.

But the school wants to assure its students that it's safe. The district said there is no need to restrict school-related activities, or take special health precautions.

This guidance comes from the State Health Department, who says the mystery illness is not contagious.

The school plans to hold a public meeting Saturday morning in the school's auditorium to review the water and indoor air quality testing, already completed at the school.

"I'm hoping that they are going to recommend very stringent testing, including soil samples from the whole school yard area, the playing fields, and even the Hartwood Park, which is connected to the school. I'm also hoping they are going to do very stringent testing in the school with potential mold issues that may have not been found yet," said Dupont.

The school hired Pittsford consulting firm, Leader Professional Services, to review previous testing at the school, done by Genesee Valley Educational Partnership.

A law firm handling media relations for the district said the review is finished, and the firm will present its work plan for additional testing at Saturday's meeting.

Dupont, who's daughter became ill this past fall, told YNN the team working under environmental activist, Erin Brokovich, will be a part of the audience Saturday. Brokovich's team is examining soil and water samples from a site four miles from the school. It's the site of a 1970 train derailment.

"Hopefully, Erin Brokovich's team can collaborate so that this way here, we know the tests are done properly, and done at the same time with the same expertise," Dupont said.

The public meeting begins at 9 a.m. Saturday, and the district said all concerned community members are encouraged to attend. That meeting is in the high school auditorium.

Congresswoman Kathy Hochul, Senator Charles Schumer, and Senator Kirsten Gillibrand sent a letter to the EPA on them to release December's report to the public, on testing done at the train derailment SuperFund site, to ensure the contamination has not spread. Quarterly testing is done at the site and is next scheduled to take place this month.