The study aims to recognize the association between the attachment patterns and the level of ambition among a group of tenth and eleventh grades' students at the schools in the Sultanate of Oman. The study's sample contains of 500 male and female students, divided into 230 male students and 270 female students. The study adopts the descriptive correlation method. In order to fulfill the study's objectives, the researcher has used and applied two scales: Al-Yarmouk scale for adults' attachment patterns, designed by Abu Ghazal and Jaradat (2009), as well as the scale of ambition's level for teenagers, designed by Abdulatif (2012). The results show that the pattern of secure attachment is the most common pattern among the study sample, whereas the avoidant attachment is the second, and the last one is the anxious attachment. In regards to the level of ambition, the variable of heading towards success and exellence came at the top as the most common variable among the sample. Moreover, the result show significant statical differences in the patterns of attachment in favor of females, while the predictive capability of attachment's patterns in the level of ambition came in an explanatory power (24.7) of the ambition's level among the sample which present a coefficient of relationship (0.525).