The GSSB meets over 30 Saturdays, from September to May from 9:30 -12:30 at Diamond Middle School, 99 Hancock Street, Lexington, MA . There are 40 faculty teaching 435 students enrolled in 37 different classrooms, ranging from Preschool to 12th grade.
Please find below excerpts of our most recent parent survey, conducted in May 2017.
Overall School Experience
| Excellent | Good | Sum | |
| Overall Curriculum | 43% | 46% | 89% |
| Academic Progress | 33% | 53% | 86% |
| Classroom Experience | 43% | 50% | 93% |
| Class Size | 50% | 43% | 93% |
| Amount of Homework | 18% | 55% | 73% |
| Grading Transparency | 23% | 55% | 78% |
| Cultural Experiences | 58% | 31% | 89% |
| Library Lending Process | 62% | 35% | 97% |
| Tuition | 37% | 46% | 83% |
Communications: Parents to School
| Excellent | Good | Sum | |
| Access to Administrative Manager | 48% | 39% | 87% |
| Access to Principal | 53% | 34% | 87% |
| Access to Teachers | 70% | 24% | 94% |
| Teacher-Parent Communication | 49% | 34% | 83% |
| Email Communication | 68% | 26% | 94% |
| Parent Handbook | 43% | 42% | 85% |
| Electronic Newsletter | 57% | 33% | 90% |
School Life
| Excellent | Good | Sum | |
| Parent Orientation | 33% | 47% | 80% |
| Kaffee-Ecke | 47% | 38% | 85% |
| Nikolaus classroom visits | 61% | 30% | 91% |
| Christmas Presentation | 52% | 32% | 84% |
| End-of-year Celebration | 58% | 31% | 89% |
| Length of school day | 47% | 41% | 88% |
| Time of school day | 54% | 35% | 89% |
| Length of recess | 49% | 42% | 91% |
Tests/Diplomas
| Test | 2015/16 | 2016/17 |
| AATG National German Exam, Levels 2, 3, 4 | 122 | 120 |
| IVA Level A2 | 37 | 20 |
| DSD Level 1 | 32 | 27 |
| DSD Level 2 | 10 | 10 |