Which 19th-century pedagogue introduced the Lancastrian (mutual instruction) system across the country, where older students were trained to coach younger classmates, to rapidly expand schooling after independence?

• A Jose Maria Luis Mora
• B Lucas Alaman ✓
• C Valentin Gomez Farias
• D Gabino Barreda

Lucas Alaman, as Minister of Interior and Exterior Relations, championed the Lancastrian system in the 1820s to address severe teacher shortages in the new republic.