The University of Minnesota was the only school in the Big Ten to receive straight A’s on its report card from the Sustainable Endowments Institute, according to a report released Wednesday.

Furthermore, the University was named with seven of the 322 colleges and universities evaluated that earned the highest possible marks.

The report, released annually, is called the College Sustainability Report Card. According to the press release, it is the only independent evaluation of sustainability in campus operations and endowment practices.

Schools were evaluated in nine categories: administration, climate change and energy, food and recycling, green building, student involvement, transportation, endowment transparency, investment priorities and shareholder engagement.

The University improved its overall grade of  A- in 2010, to A in 2011. In 2010, the University received a C in the green building category, a B in the student involvement category and a B in the endowment transparency category. All of those grades improved to AâÄôs in 2011.

Carleton College in Northfield, Minn. was the only other college in the state to receive one of the best overall grades.

According to the SEI, the report card aims to encourage sustainability as a priority by offering annual progress reports.

The report card can be viewed in its entirety at greenreportcard.org.