Irene found little-bridge-premium-school-account:

• Significantly improves attainment
• Does not significantly reduce teacher workload“It is quite a bit of work doing the follow-up and preparing classes”
• Moderately improves teaching efficiency and productivity
• Slightly improves teacher knowledge and skills
• Moderately provides school data“the various test results help following the progress students make”
• Slightly saves school money“i don't know, because i don't know the price of other programs”