In south Sacramento, the next generation of medical professionals is already at work — and they’re still in high school. Valley High School’s Health Tech Academy trains students to become doctors, nurses, and healthcare workers through real-world experience serving their own community.The students, dressed in scrubs, conduct vision screenings, check blood pressure, and provide nutrition and health education in a mini-clinic right on campus. Under the guidance of longtime teacher Rodney Black, the program gives students from underserved backgrounds a chance to explore healthcare careers and gain valuable experience early.“The Spanish-speaking population is the largest in California and also one of the most medically underserved,” said Black. “We’re preparing future doctors who look like the communities they serve and who speak the same language.”Students like Dayannis Sanchez and Anthony Gonzalez say the program has given them a sense of purpose. “It’s not like, ‘I have to do…..