The teachers are planning to demand more funding for schools and increased pay for teachers in support of the Colorado Education Association's (CEA) Lobby Day, according to The Denver Post.
While the major event will be at the Capitol, there are also dozens of other planned protests throughout Colorado.
"Please don't make it worse!" and "How can we put students 1st if we put teachers last?"
Spokespersons for the Denver and Adams 14 school districts told Denver7 Friday they did not expect their teachers to leave school.
The Colorado School Finance Project released data in December that found that inflation-adjusted salaries for Colorado teachers fell by 7.7 percent between the 2010-11 school year and the 2015-16 school year, and that the average Colorado teacher salary was about $7,000 below the national average.
Teachers are to meet with lawmakers in the morning and then rally on the Capitol's steps in the late afternoon.
Teachers in Arizona are voting this week on whether to stage a classroom walkout, after previously conducting several walk-in protests in which they demonstrated outside their respective schools before walking in with students to conduct classes.
One of the Drew students in the education initiative, Nilab Nusrat C'18, believes that high school students are ideal to work with, as they are at a prime age for learning and developing new mindsets, particularly about how people are similar and different. "They don't speak for me, and I think that (coming today) was to us a way of saying this is not over". "I'm doing this so that the young teacher, that college student, who's thinking about becoming a teacher, isn't frightened away from this".
After seeing teachers in other states agitate for more funding, Colorado educators are taking their turn. But they want legislators to realize schools need more resources.
Rusty Bradley, a high school technology teacher in Oklahoma for almost 28 years said "I'm fed up".
But Preist said the efforts by teachers to win more money for education is not over.
The Oklahoma Education Association said the walkout prompted legislators to boost education funding by $479 million and up teachers' pay by an average of $6,100, the largest pay raise in state history.
Katrina Ruff, a local Oklahoma City teacher, stood with hundreds of fellow protestors at the Capitol chanting "No funding, no future!"