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HUNTSVILLE, Ala. (WHNT) -- Lei Peavey is passionate about her disapproval of Common Core, a set of educational standards implemented in Alabama schools, along with schools across the nation.

She's so passionate, she decided to come out to the U.S. Space and Rocket Center in Huntsville where Education Secretary Arne Duncan was visiting Tuesday.

"I had intended to actually have a peaceful demonstration, and was told I couldn't do that because it was private property," she said. "So I'm just a private vehicle with some stuff written on [it]. That hopefully, will get seen by some people."

She wanted to send a message to Duncan that Common Core worries her.

"I think it's developmentally inappropriate on the younger kids," said Peavey of the standards.

She believes Common Core makes it harder for parents, including herself, to understand what their kids are learning.

"My daughter does not have a math book," she said. "So I can't look in her book and see, 'Oh, ok, this is where it's telling us how to do it.' She doesn't have one, not even on the computer... I just worry about what they're being taught."

When we finished talking with Peavey, security quietly asked her to leave where she was and move further away. She complied immediately.

She was only in her first location for less than a half hour, but she's hoping during that time, she managed to leave behind her message about Common Core.

"I just think it's wrong," she said.

Peavey also believes she, and many other parents, need a better understanding of the curriculum. She's planning to attend a Common Core Forum at Whitesburg Baptist Center this upcoming Saturday. It's from 4 to 6 p.m. and panelists will be there to discuss the standards' effects on children. The event is sponsored by several Alabama and Florida groups against Common Core, and is one of many similar forums across the two states.