High-quality mathematics instruction for all means high expectations and strong support for all students. An insightful math teaching policy when apdating both school math curriculum and assessment system as well as mathematics teacher training and in-service training program are required to implement this provision. This policy should be based on international mathematics education reserach. How realistic is it to implement in Lithuania? From that point on, we will take mathematics teaching seriously depends on society's readiness for existing and future challenges.