These are the full prices that include all costs including lunch, morning snacks, materials, trips (only for ages 6-15) and 2 t-shirts:

COURSES FOR CHILDREN 3-5 YEARS OF AGE  (their age during the summer school and if they celebrate this birthday during the course )
1 week – 230 euros
2 weeks – 395 euros
3 weeks – 560 euros
4 weeks – 720 euros

COURSES FOR CHILDREN 6-15 YEARS OF AGE  (their age during the summer school and if they celebrate this birthday during the course)
1 week – 260 euros
2 weeks – 485 euros
3 weeks – 680 euros
4 weeks – 880 euros

OPTIONAL BUS TRANSPORT TO AND FROM SCHOOL (price is for all ages)
1 week – 50 euros
2 weeks – 100 euros
3 weeks – 150 euros
4 weeks – 200 euros

LINK TO BUS ROUTES:
murcia.kingscollegeschools.org/es/the-school/our-summer-school/bus-route-summer-school/