Complex sentence: Alma was studious and well behaved, and excelled in her studies at the Hawthorn West Central School, however her grandmother greatly restricted her from social activities with other students, and she became very shy.
Split into simpler sentences: Alma was studious and well behaved, and excelled in her studies at the Hawthorn West Central School. However her grandmother greatly restricted her from social activities with other students, and she became very shy.