Happiness is often used as a term of subjective well-being in psychology (Lyubomirsky et al. 2005a; Sagiv et al. 2004; Sheldon and Lyubomirsky 2004). If thought of in another way, happiness is an emotion combined with other positive emotions, resulting in subjective well-being when the positive emotions of a person are much more than his negative emotions, and his life satisfaction is high (Diener 2000). It is widely believed that happiness has an important and essential role in the well-being and motivation of school children (Datu et al. 2017; Frey and Stutzer 2002; Moos et al. 2005; Oreopoulos 2007; Soleimani and Tebyanian 2011). School children often face multiple challenges that may lead to negative effects and problem behaviors (Weissberg et al. 2003). The lack of happiness and joyfulness has a significant influence on students' personality growth and might affect their intelligence, thinking skills, creativity, and educational achievements (Al-Yasin 2001). Data regarding the happiness of school children should be analyzed and effectively used to meet the challenges. The lack of happiness in schools is a major problem of many education systems, which is rarely considered in a careful manner (Guilherme and de Freitas 2017; Salavera et al. 2017). Attention to happiness should be stressed as early in childhood as possible but definitely no later than adolescence, given the importance of the cognitive, emotional,