This chapter presents one more important CCS i.e. Attentional control and its significance in teaching learning process. The need for Attentional control along with the importance of attention in academic success is discussed. The meaning of attention derived from various definitions is clearly presented. The meaning and definitions of Attentional control is dealt with in detail along with its types such as focussed attention, sustained attention etc. The types of attention with examples gives clarity to the readers with their significance. The theories of attention with their implications will provide a deeper understanding on this CCS. The theoretical aspects of Attentional control with different theories along with the role of brain are also presented. Various components of attention with its relation with other CCS are given elaborately. How far Attentional control plays a crucial role in academic learning and achievement is explained. The relationship between the higher cognitive abilities is supported with various research findings. Finally the ways and means of improving Attentional control is suggested with various classroom practices. The assessment of Attentional control among secondary school students is done and illustrated. Finally the correlation between attentional control and academic achievement is explained with intervention strategies, classroom practices and the need for assessment among the learners.