The subtitle of the article is: Technology entrepreneur Judy Estrin is worried about the future of technology and innovation in Silicon Valley AND THE REST OF

The subtitle of the article is: Technology entrepreneur Judy Estrin is worried about the future of technology and innovation in Silicon Valley AND THE REST OF THE COUNTRY (capitalization added for emphasis) So it isn't a Silicon Valley specific issue; rather she is concerned about the general decline of math, science, and engineering in the US educational system.