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LOS ANGELES (KTLA) — Parents, teachers and students in the Los Angeles Unified School District continued to prepare for the start of the new school year, which is scheduled to begin Tuesday amid some changes.

Healthier meals in school cafeterias, iPads in the classrooms, and a greater emphasis on free health services are among the changes that will be implemented this year, officials said.

More than a dozen on-campus health clinics are expected to open in the district’s high-priority areas, according to LAUSD officials, who said the wellness centers have been planned for several years.

Funding for the clinics comes, in part, from the Los Angeles Trust for Children’s Health. All of the planned clinics are expected to be completed in 2014, officials said.

Nearly 30 percent of the LAUSD’s 600,000 students do not have health insurance.

The clinics are expected to help with primary health care, mental health, dental and behavioral services.