1.   As part of the public school system, charter schools must meet high academic standards and, in many states, must use state certified teachers.

2.   At New Chelsea, where enrollment was higher than expected, Sears has been unable to find certified teachers for five classrooms in the third and fourth grades.

3.   Big-city systems are already feeling the pinch, finding it impossible to hire certified teachers in key subject areas like math, science and bilingual instruction.

4.   All are certified teachers in Spain and some come with a few years of experience.

5.   Certified teachers moving to Missouri will have to submit to an FBI background check that includes fingerprinting before they can work in a public classroom.

6.   Desperate to fill vacancies with certified teachers, many districts are expanding their recruitment efforts and heading overseas.

7.   Education leaders have downplayed the problem in Texas, where hundreds of thousands of students every year are in classrooms taught by improperly certified teachers.

8.   Even when certified teachers can be found, they have a union right, after five years, to transfer to other schools, bumping teachers with less seniority.

9.   For years, teachers groups and school administrators have debated whether it makes a difference if students are taught by properly certified teachers.

10.   Freeman, who was not yet a certified teacher, was dismissed because of the allegations.