PHILADELPHIA (CBS) — A long-awaited Philadelphia teachers contract agreement could be close.

Negotiators are making progress, says Philadelphia Federation of Teachers president Jerry Jordan.

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“The needle is moving,” he said. “We’re working very hard trying to reach an agreement that we can present to the members by the end of the school year.

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Teachers have been without a new contract for nearly four years, and without raises for five.

Jordan says so far the two sides have not agreed on a compensation package.

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He says his 10,000 members have been mailed admittance cards for a membership meeting to ratify any deal — but he says those cards do not have dates on them. The district declined to comment on the talks.