SACRAMENTO OBSERVER — Many Black college students have not considered a teaching career because they have never had a Black teacher, said Preston Jackson, who teaches physical education at California Middle School in Sacramento. Those who consider a teaching career are often deterred by the cost of teacher preparation, taking required tests and unpaid student teaching.Recruiting and retaining Black teachers has taken on new urgency in recent years as California lawmakers try to ease the state’s teacher shortage. The state and individual school districts have launched initiatives to recruit teachers of color, but educators and advocates say more needs to…