You might also like to check out the the My Future Careers websites.
An International jobs website called JobHero contains a page called the Ultimate Guide to Choosing a Career.
RiAus, who hosts Australia’s Science Channel has Ultimate Careers, deigned to help students to discover their interests and investigate career options.
Careers with STEM website includes e-magazines related to careers, in science, health, engineering, coding, and maths.
To organise a scientist or engineer to visit your school you can contact the following organisations:
CSIRO’s STEM Professionals in Schools program
Engineers without Borders School Outreach program.