Requiring school districts to pay salary differentials to eligible +employee members of the national guard or other reserve component of the armed+ forces ordered to active service to compensate the employees for the +difference between active duty military pay and the salary paid by the school +district, specifying certain payment requirements and limits; requiring +continuation of enrollment in and contribution toward health and dental coverage +until employee coverage by the armed forces, requiring options for the employee to +continue dependent coverage at employee expense and to continue participation +in pretax accounts; specifying certain school district requirements for making +the payments (ra)