Stanford 10 Achievement Test Performance
The Stanford 10 Achievement Test is a nationally recognized test which provides students and teachers with a basis of comparison on a national level. Each year students in kindergarten on up at Lyndon Academy take the Stanford 10 Achievement Test. They take it each year without test preparation, and annually they achieve average scores that only about 10% of all students nationally achieve.
Chinese International Language Test Performance 
In the 2009-10 scholastic year students at Lyndon began taking a Chinese International Language Test. Second and third grade students last year passed the level one Chinese International Language Test issued by the Hanban/Confucius Institute Headquarters at Kennesaw State University with average scores of 170 out of 200. Passing is 120.
High School Graduate Performance
Near one hundred percent of graduates of Linda Murdock's program at The Pendleton School were accepted at their first choice school. As the former Head of The Pendleton School on the IMG Campus of Bradenton, Florida, Linda Murdock, current Headmaster of Lyndon, utilized the same curriculum that she uses today.
In her four years as the Head of Pendleton, she graduated 224 students. 100% of the students who decided to attend college received scholarship. 22% percent of her students were accepted to top tier universities. The following is just a sample of those schools.
| Boston College | The College of William and Mary |
| Brown University | Texas A&M |
| California Tech | University of California, Berkeley |
| Clarkson University | University of Chicago |
| Emory University | University of Indiana |
| Farleigh Dickinson University | University of Pennsylvania |
| Harvard University | Vanderbilt University |
| Lehigh University | Villanova University |
| Santa Clara University | Wake Forest University |