On March 10 , 1933 , a magnitude 6.4 earthquake in the city of Long Beach completely destroyed the infrastructure of the six buildings which composed the Jefferson High School Campus . The campus was closed from March 10 until April 6 while the school board assessed the situation . On April 6 , tent bungalows provided by the school board were erected on the football fields . Classes were shortened to half day sessions in order to serve the entire student population
a magnitude 6.4 earthquake
1933 Long Beach earthquake
Jefferson High School (Los Angeles)