Early voting is underway for the upcoming Tax Ratification Election being held by three area school districts.

The election is being proposed to adjust each district's tax rate to bring in more funding without having to raise the overall tax rate, school officials have said. Election Day will be Sept. 11.

Voters living within the boundaries of the Robstown, Tuloso-Midway and Calallen independent school districts can take part in early voting in person through Sept. 7 at the following polling locations:

Calallen ISD

Hilltop Community Center

11425 Leopard Street

(361) 241-3754

Calallen ISD Administration Building

4205 Wildcat Drive

(361) 242-5600

TMISD

Tuloso-Midway ISD Administration Bldg.

9760 La Branch

Corpus Christi, Texas 78410

(361) 903-6402

RISD

RISD Administration Building

801 N. First Street

(361) 767-6600, Ext. 2005

In addition, temporary mobile units for early voting will be available on the dates and times indicated for the following locations:

Calallen ISD

Calallen High School

Aug. 30, 5:30 to 7:30 p.m.

4001 Wildcat Drive

(361) 242-5626

Calallen Middle School

Sept. 2, 5:30 to 7:30 p.m.

4602 Cornett Drive

(361) 242-5672

TMISD

T-M Middle School

Aug. 30, 5:30 to 7:30 p.m.

9768 La Branch Drive

(361) 903-6600

Tuloso-Midway High School

Sept. 2, 5:30 to 7:30 p.m.

2653 McKenzie Drive

(361) 903-6700

Early voting dates and times are as follows for all polling locations:

Through Aug. 28, 8 a.m. to 5 p.m. Aug. 30-Sept. 4, 8 a.m. to 5 p.m. Sept. 6, LABOR DAY CLOSED Sept. 7, 8 a.m. to 5 p.m.