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Education Secretary Arne Duncan visits with students at Wakefield High School in Arlington, Virginia, Tuesday.

ARLINGTON, Virginia (CNN) - Education Secretary Arne Duncan told students and educators at a Virginia high school Tuesday that he'll fight to put $20 billion in education construction funding back into the $838 billion economic stimulus package, as President Barack Obama wants.

Wakefield High School in Arlington was scheduled to be renovated next year, but that project has been pushed back at least until 2013, due in part to lack of funding, school officials said.

During his visit to an advanced placement study group in government and economics, Duncan asked students about building conditions.

"It's pretty bad," a student responded. One student said the temperature in a classroom had reached 96 degrees.

Duncan responded by giving an impromptu student civics lesson, detailing recent Capitol Hill wrangling over education funding.

"This week, there's obviously lots of debate between - a conference between - the House and Senate," he told the students. "A chance to get a huge amount of money to help our construction projects. There's a chance of no money. So, we're working really, really hard to make sure the right thing happens."

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