The testing will be conducted at all 23 high schools in the county.
Anyone who is caught will face no consequences other than notifying their parents because of the experimental nature of the test, the South Florida Sun-Sentinel reported Friday.
Palm Beach schools Police Chief Jim Kelly said the suspected student's fingers or belongings will be rubbed with sticky paper and then sprayed by an aerosol can.
If various colors result, it can mean it is evidence of several types of drugs including marijuana and heroin.
Kelly said the instant results are extremely accurate.
He said the trial is being financed by a $650,000 grant from the National Institute of Justice, a federal agency.
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