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Finishing her education would make her a better role model, she thought.

On Thursday, Gonzalez was one of nearly 200 students who graduated from the Excel Centers, a network of dropout recovery charter schools run by Goodwill Industries. Including spring graduates, about 400 students in Marion County earned high school diplomas through Excel in 2015, according to the center.

That’s a dramatic boost for the Excel Centers, which graduated just 4 students in the first year they opened in 2010. Since then, the network has been growing its enrollment by hundreds of students each year and has now expanded to 11 campuses, six in Indianapolis. Statewide, 846 students graduated from Excel Centers in 2015, 33 percent morethan last year.

The Excel Centers in Indianapolis have been hailed by school choice and dropout recovery advocates as one of the best examples of successful charter school innovation.

In 2014-15, 92 percent of graduates earned industry certifications or college credit along the way. Most get jobs that make more money than they made before or go on to college.

Excel has fueled its growth by opening several new schools. In 2011, it opened four schools outside of Indianapolis. The same year, expansion was briefly stymied by a state law capping the number of dropout recovery charter schools at 11 — an effort to prevent the schools from drawing money away from funds primarily intended for K-12 schools.

Since then, Excel has grown even more, adding a new Indianapolis school and a