Hotel Mango [1] runs a Spanish school (tel. 504/448-0338, www.mangocafe.net [2]), which is really a network of private tutors, charging US$114 per week for 20 hours in the mornings for beginners (US$140 per week for advanced students) or 10 hours per week in the afternoons for US$75.
Links:
[1] http://www.moon.com/destinations/honduras/the-north-coast/tela/accommodations/under-us25
[2] http://www.mangocafe.net