Charlotte-Mecklenburg Schools added 3,159 students to its enrollment in kindergarten through 12th grade for the 2012-13 school year, according to a news release.
It is an increase of 2.3 percent over the previous year.
Enrollment on Sept. 24, the 20th day of school, was 141,171, compared to 138,012 students last year.
The total number of students exceeded district projections by more than 1,000 students. The district also had 2,695 students enrolled in pre-kindergarten programs, bringing total pre-K-12 enrollment to 143,866.
CMS was the second-largest district in North Carolina in the 2011-12 school year, with only Wake County County schools having more students enrolled.
"We're glad to see that people are choosing CMS and our enrollment is increasing," said Dr. Heath E. Morrison, superintendent of Charlotte-Mecklenburg Schools. "It is our goal to work for every student, every day, for a better tomorrow - and we now have 143,866 reasons to succeed."