The A-list actress could hardly deflect the heat or curious gazes in a dowdy black outfit as she took her three-year-old son Louis to school on the warm summer day.
Sandra was seen exiting through a gate on the Los Angeles campus all by herself and with that prim hairdo and old-fashioned dress she looked more than a little like a schoolmarm.
Billowy in black: Sandra Bullock dropped her son Louis off at school in a schoolmarmish black dress on WednesdayThe 48-year-old star's black dress fluttered almost to her ankles and featured see-through embroidery along the hem, and with it she also wore a little black sweater and black flats.
Her luxuriant brown hair was piled on top of her head in a hassle-free 'do that kept her neck cool.
Sandra showed she is lacking in diva tendencies, preferring to do the school drop off duties herself rather than leave it to a hired assistant.
Nice disguise: The A-list actress grasped a large children's storybook and sported dark sunglasses as she slipped away from the Los Angeles school campusEver since she adopted her son Louis as an infant in January 2010, Sandra has been a hands on mother.
Louis has accompanied Sandra on her film shoots and other adventurous travels around the globe.
Sandra will next be seen in the cutting edge sci-fi flick Gravity opposite George Clooney.
Stealth mission: Sandra appeared to fiddle with the door knob before getting a handle on it
Just you and me: The 48-year-old actress has been a hands-on mother since adopting Louis, seen here with Sandra in Manhattan in June, as an infant in January 2010The new trailer was just released ahead of the movie's opening at the Venice Film Festival in August.
The two-minute-long sneak peek depicts the disastrous consequences of a routine deep space mission gone awry, leaving two astronauts clinging to their very survival.
Sandra attended the San Diego Comic-Con with the film's director Alfonso Cuaron during which she admitted her fear of heights proved to be an obstacle to overcome when shooting the film.
Lost in space: Sandra's new film Gravity, which is primed for a Venice Film Festival premiere in August, co-stars George Clooney'I was a dancer growing up, and I used my dance training to keep my core strong for such a demanding role,' Sandra said.
'They had me strung up on wires for eight to nine hours a day. If you were in pain, either use it or I learned how to meditate.'
She added: 'Alfonso gave me boxes of CDs with sounds. Anytime I was in a place, he would just play music for me.'
