Captain Elementary K - 5th 40 43 49 42 52 48 0 0 0 0 0 0 0 274 Glenridge Elementary K - 5th 41 44 50 43 53 49 0 0 0 0 0 0 0 280 Meramec Elementary K - 5th 48 51 59 50 62 57 0 0 0 0 0 0 0 327 129 138 158 135 167 154 0 0 0 0 0 0 0 881 Wydown Middle School 6th - 8th 0 0 0 0 0 0 188 169 206 0 0 0 0 563 0 0 0 0 0 0 188 169 206 0 0 0 0 563 Clayton High School 9th - 12th 0 0 0 0 0 0 0 0 0 165 186 195 190 736 0 0 0 0 0 0 0 0 0 165 186 195 190 736 Grade Level Totals K - 12th 129 138 158 135 167 154 188 169 206 165 186 195 190 2,180 Figures 25-26. By school, by grade projections, 2031-2032. School District of Clayton © Business Information Services, LLC Page 24 2032-2033 School Grade Range K 1 2 3 4 5 6 7 8 9 10 11 12 School Total Ralph M. Captain Elementary K - 5th 40 42 45 51 43 53 0 0 0 0 0 0 0 274 Glenridge Elementary K - 5th 41 43 45 52 43 54 0 0 0 0 0 0 0 278 Meramec Elementary K - 5th 47 50 53 61 51 63 0 0 0 0 0 0 0 325 128 135 143 164 137 170 0 0 0 0 0 0 0 877 Wydown Middle School 6th - 8th 0 0 0 0 0 0 163 193 169 0 0 0 0 525 0 0 0 0 0 0 163 193 169 0 0 0 0 525 Clayton High School 9th - 12th 0 0 0 0 0 0 0 0 0 202 166 185 192 745 0 0 0 0 0 0 0 0 0 202 166 185 192 745 Grade Level Totals K - 12th 128 135 143 164 137 170 163 193 169 202 166 185 192 2,147 2033-2034 School Grade Range K 1 2 3 4 5 6 7 8 9 10 11 12 School Total Ralph M. Captain Elementary K - 5th 40 42 44 46 52 43 0 0 0 0 0 0 0 267 Glenridge Elementary K - 5th 41 43 45 47 52 44 0 0 0 0 0 0 0 272 Meramec Elementary K - 5th 48 50 52 55 61 52 0 0 0 0 0 0 0 318 129 135 141 148 165 139 0 0 0 0 0 0 0 857 Wydown Middle School 6th - 8th 0 0 0 0 0 0 180 168 193 0 0 0 0 541 0 0 0 0 0 0 180 168 193 0 0 0 0 541 Clayton High School 9th - 12th 0 0 0 0 0 0 0 0 0 167 204 165 182 718 0 0 0 0 0 0 0 0 0 167 204 165 182 718 Grade Level Totals K - 12th 129 135 141 148 165 139 180 168 193 167 204 165 182 2,116 Figures 27-28. By school, by grade projections, 2033-2034.

Captain Elementary K - 5th 40 42 44 46 52 43 0 0 0 0 0 0 0 267 Glenridge Elementary K - 5th 41 43 45 47 52 44 0 0 0 0 0 0 0 272 Meramec Elementary K - 5th 48 50 52 55 61 52 0 0 0 0 0 0 0 318 129 135 141 148 165 139 0 0 0 0 0 0 0 857 Wydown Middle School 6th - 8th 0 0 0 0 0 0 180 168 193 0 0 0 0 541 0 0 0 0 0 0 180 168 193 0 0 0 0 541 Clayton High School 9th - 12th 0 0 0 0 0 0 0 0 0 167 204 165 182 718 0 0 0 0 0 0 0 0 0 167 204 165 182 718 Grade Level Totals K - 12th 129 135 141 148 165 139 180 168 193 167 204 165 182 2,116 Figures 27-28. By school, by grade projections, 2033-2034. 2024-2025 Enrollment and Demographics Study © Business Information Services, LLC Page 25 2034-2035 School Grade Range K 1 2 3 4 5 6 7 8 9 10 11 12 School Total Ralph M. Captain Elementary K - 5th 38 42 44 46 47 52 0 0 0 0 0 0 0 269 Glenridge Elementary K - 5th 39 43 44 46 47 53 0 0 0 0 0 0 0 272 Meramec Elementary K - 5th 45 50 52 54 55 62 0 0 0 0 0 0 0 318 122 135 140 146 149 167 0 0 0 0 0 0 0 859 Wydown Middle School 6th - 8th 0 0 0 0 0 0 147 185 168 0 0 0 0 500 0 0 0 0 0 0 147 185 168 0 0 0 0 500 Clayton High School 9th - 12th 0 0 0 0 0 0 0 0 0 190 168 203 163 724 0 0 0 0 0 0 0 0 0 190 168 203 163 724 Grade Level Totals K - 12th 122 135 140 146 149 167 147 185 168 190 168 203 163 2,083 Figures 29-30. By school, by grade projections, 2034-2035.

Captain Elementary K - 5th 38 42 44 46 47 52 0 0 0 0 0 0 0 269 Glenridge Elementary K - 5th 39 43 44 46 47 53 0 0 0 0 0 0 0 272 Meramec Elementary K - 5th 45 50 52 54 55 62 0 0 0 0 0 0 0 318 122 135 140 146 149 167 0 0 0 0 0 0 0 859 Wydown Middle School 6th - 8th 0 0 0 0 0 0 147 185 168 0 0 0 0 500 0 0 0 0 0 0 147 185 168 0 0 0 0 500 Clayton High School 9th - 12th 0 0 0 0 0 0 0 0 0 190 168 203 163 724 0 0 0 0 0 0 0 0 0 190 168 203 163 724 Grade Level Totals K - 12th 122 135 140 146 149 167 147 185 168 190 168 203 163 2,083 Figures 29-30. By school, by grade projections, 2034-2035. School District of Clayton © Business Information Services, LLC Page 26 Figures 31-34. Enrollment projections by grades, Kindergarten through 3rd grade, 2026-2035. 2024-2025 Enrollment and Demographics Study © Business Information Services, LLC Page 27 Figures 35-38. Enrollment projections by grades, 4th through 7th grade, 2026-2035. School District of Clayton © Business Information Services, LLC Page 28 Figures 39-42. Enrollment projections by grades, 8th through 11th grade, 2026-2035. 2024-2025 Enrollment and Demographics Study © Business Information Services, LLC Page 29 Figure 43. Enrollment projections by grades, 12th grade, 2026-2035.

2024-2025 Enrollment and Demographics Study © Business Information Services, LLC Page 29 Figure 43. Enrollment projections by grades, 12th grade, 2026-2035. School District of Clayton © Business Information Services, LLC Page 30 607 576 569 560 552 544 535 526 516 506 497 607 582 581 574 547 554 538 563 525 541 500 607 583 585 577 545 558 538 594 559 597 529 0 100 200 300 400 500 600 700 Min Average Max Wydown Middle School Enrollment Projections 799 825 814 802 791 779 767 752 739 725 711 799 799 799 779 792 773 764 736 745 718 724 799 793 795 772 791 772 763 732 747 716 749 640 660 680 700 720 740 760 780 800 820 840 Min Average Max Clayton High School Enrollment Projections Figure 45. Wydown Middle School enrollment projections, 2026-35. Figure 44. Clayton High School enrollment projections, 2026-35. 2024-2025 Enrollment and Demographics Study © Business Information Services, LLC Page 31 Figure 48. Captain Elem enrollment projections, 2026-35. Figure 47. Meramec Elem enrollment projections, 2026-35. Figure 46. Glenridge Elem enrollment projections, 2026-35. 369 351 347 340 328 321 321 317 312 305 298 369 363 355 352 342 330 337 327 325 318 318 369 374 366 370 360 354 366 351 351 342 348 0 50 100 150 200 250 300 350 400 Min Average Max Meramec Elementary Enrollment Projections

Figure 46. Glenridge Elem enrollment projections, 2026-35. 369 351 347 340 328 321 321 317 312 305 298 369 363 355 352 342 330 337 327 325 318 318 369 374 366 370 360 354 366 351 351 342 348 0 50 100 150 200 250 300 350 400 Min Average Max Meramec Elementary Enrollment Projections School District of Clayton © Business Information Services, LLC Page 32 Figure 49. Mid-range enrollment projections, by grade, in the School District of Clayton, 2026-2035. 132 152 132 146 120 144 130 129 128 129 122 176 141 160 140 154 126 152 138 136 135 136 142 178 146 167 145 160 131 158 143 141 140 168 150 184 152 173 151 166 136 164 148 146 180 169 151 186 153 175 152 167 137 165 149 180 181 172 154 189 156 178 154 170 139 168 191 189 191 182 163 200 165 188 163 180 147 198 195 194 197 187 167 206 169 193 168 185 218 198 196 195 197 187 167 206 169 193 168 172 212 195 193 192 194 185 165 202 167 190 217 179 214 197 195 193 196 186 166 204 168 192 214 178 213 195 193 192 195 185 165 203 218 194 212 176 210 193 191 190 192 182 163 2024- 2025 2025- 2026 2026- 2027 2027- 2028 2028- 2029 2029- 2030 2030- 2031 2031- 2032 2032- 2033 2033- 2034 2034- 2035 AVERAGE K-12 ENROLLMENT PROJECTION BY GRADE LEVEL K 1 2 3 4 5 6 7 8 9 10 11 12 Clayton | 2025-2035