Phoenix Academy (Data source)
Source data for Phoenix Academy
2015
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 2103992 | 2372 | - | 2436 | = | -64 | * | (96 | / | 779) | = | -7.88703462 | ||
| 4 | 2103995 | 2391 | - | 2485 | = | -94 | * | (87 | / | 779) | = | -10.49807444 | ||
| 5 | 2103996 | 2428 | - | 2528 | = | -100 | * | (79 | / | 779) | = | -10.1412066 | ||
| 6 | 2103999 | 2435 | - | 2552 | = | -117 | * | (73 | / | 779) | = | -10.96405643 | ||
| 7 | 2104000 | 2452 | - | 2567 | = | -115 | * | (213 | / | 779) | = | -31.44415917 | ||
| 8 | 2104003 | 2454 | - | 2586 | = | -132 | * | (231 | / | 779) | = | -39.14249024 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Phoenix Academy | -110 | ||||||||||||
2016
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 64628 | 2373 | - | 2436 | = | -63 | * | (91 | / | 783) | = | -7.32183902 | ||
| 4 | 64631 | 2405 | - | 2485 | = | -80 | * | (83 | / | 783) | = | -8.48020432 | ||
| 5 | 64633 | 2424 | - | 2528 | = | -104 | * | (83 | / | 783) | = | -11.02426562 | ||
| 6 | 64635 | 2447 | - | 2552 | = | -105 | * | (80 | / | 783) | = | -10.72796928 | ||
| 7 | 64637 | 2460 | - | 2567 | = | -107 | * | (216 | / | 783) | = | -29.51724128 | ||
| 8 | 64638 | 2451 | - | 2586 | = | -135 | * | (230 | / | 783) | = | -39.6551723 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Phoenix Academy | -107 | ||||||||||||
2017
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 66444 | 2364 | - | 2436 | = | -72 | * | (74 | / | 847) | = | -6.29043682 | ||
| 4 | 66447 | 2381 | - | 2485 | = | -104 | * | (100 | / | 847) | = | -12.27863042 | ||
| 5 | 66448 | 2413 | - | 2528 | = | -115 | * | (100 | / | 847) | = | -13.57733171 | ||
| 6 | 66450 | 2449 | - | 2552 | = | -103 | * | (91 | / | 847) | = | -11.06611565 | ||
| 7 | 66453 | 2448 | - | 2567 | = | -119 | * | (244 | / | 847) | = | -34.28099164 | ||
| 8 | 66454 | 2456 | - | 2586 | = | -130 | * | (238 | / | 847) | = | -36.52892555 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Phoenix Academy | -114 | ||||||||||||
2018
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 66517 | 2351 | - | 2436 | = | -85 | * | (79 | / | 876) | = | -7.66552508 | ||
| 4 | 66518 | 2389 | - | 2485 | = | -96 | * | (83 | / | 876) | = | -9.09589037 | ||
| 5 | 66521 | 2418 | - | 2528 | = | -110 | * | (94 | / | 876) | = | -11.80365296 | ||
| 6 | 66522 | 2450 | - | 2552 | = | -102 | * | (98 | / | 876) | = | -11.41095889 | ||
| 7 | 66525 | 2447 | - | 2567 | = | -120 | * | (264 | / | 876) | = | -36.16438356 | ||
| 8 | 66526 | 2447 | - | 2586 | = | -139 | * | (258 | / | 876) | = | -40.93835603 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Phoenix Academy | -117 | ||||||||||||
2019
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 66942 | 2353 | - | 2436 | = | -83 | * | (100 | / | 895) | = | -9.27374297 | ||
| 4 | 66943 | 2391 | - | 2485 | = | -94 | * | (84 | / | 895) | = | -8.82234631 | ||
| 5 | 66944 | 2407 | - | 2528 | = | -121 | * | (78 | / | 895) | = | -10.54525128 | ||
| 6 | 66945 | 2421 | - | 2552 | = | -131 | * | (102 | / | 895) | = | -14.92960888 | ||
| 7 | 66946 | 2442 | - | 2567 | = | -125 | * | (254 | / | 895) | = | -35.47486025 | ||
| 8 | 66947 | 2447 | - | 2586 | = | -139 | * | (277 | / | 895) | = | -43.02011163 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Phoenix Academy | -122 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -110 | -107 | -114 | -117 | -122 | -570.0 | -114.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -99.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -129.0
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
| 2015 | 2016 | 2017 | 2018 | 2019 | |
|---|---|---|---|---|---|
| Percent | 90% | 92% | 89% | 88% | 87% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Apple Valley Unified school district County of San Bernardino
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation, parent education.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Phoenix Academy math proficiency
Zero+ meets standard.
86% less $meal
87% less $meal
82% less $meal
84% less $meal
82% less $meal
• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.