Holly Oak Elementary (Data source)
Source data for Holly Oak Elementary
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 | 2647569 | 2429 | - | 2436 | = | -7 | * | (85 | / | 376) | = | -1.5824468 | ||
| 4 | 2647570 | 2446 | - | 2485 | = | -39 | * | (90 | / | 376) | = | -9.33510638 | ||
| 5 | 2647573 | 2474 | - | 2528 | = | -54 | * | (100 | / | 376) | = | -14.36170208 | ||
| 6 | 2647574 | 2499 | - | 2552 | = | -53 | * | (101 | / | 376) | = | -14.23670211 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Holly Oak Elementary | -40 | ||||||||||||
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 | 80720 | 2428 | - | 2436 | = | -8 | * | (84 | / | 355) | = | -1.89295774 | ||
| 4 | 80722 | 2457 | - | 2485 | = | -28 | * | (88 | / | 355) | = | -6.94084504 | ||
| 5 | 80723 | 2493 | - | 2528 | = | -35 | * | (87 | / | 355) | = | -8.57746477 | ||
| 6 | 80726 | 2519 | - | 2552 | = | -33 | * | (96 | / | 355) | = | -8.92394366 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Holly Oak Elementary | -26 | ||||||||||||
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 | 82948 | 2422 | - | 2436 | = | -14 | * | (92 | / | 344) | = | -3.74418604 | ||
| 4 | 82951 | 2441 | - | 2485 | = | -44 | * | (84 | / | 344) | = | -10.74418602 | ||
| 5 | 82953 | 2501 | - | 2528 | = | -27 | * | (82 | / | 344) | = | -6.43604651 | ||
| 6 | 82955 | 2527 | - | 2552 | = | -25 | * | (86 | / | 344) | = | -6.25 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Holly Oak Elementary | -27 | ||||||||||||
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 | 83165 | 2415 | - | 2436 | = | -21 | * | (77 | / | 333) | = | -4.85585585 | ||
| 4 | 83167 | 2447 | - | 2485 | = | -38 | * | (89 | / | 333) | = | -10.15615615 | ||
| 5 | 83169 | 2502 | - | 2528 | = | -26 | * | (78 | / | 333) | = | -6.09009008 | ||
| 6 | 83171 | 2530 | - | 2552 | = | -22 | * | (89 | / | 333) | = | -5.87987987 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Holly Oak Elementary | -27 | ||||||||||||
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 | 83779 | 2425 | - | 2436 | = | -11 | * | (67 | / | 301) | = | -2.44850498 | ||
| 4 | 83780 | 2447 | - | 2485 | = | -38 | * | (64 | / | 301) | = | -8.07973419 | ||
| 5 | 83781 | 2500 | - | 2528 | = | -28 | * | (94 | / | 301) | = | -8.74418602 | ||
| 6 | 83782 | 2533 | - | 2552 | = | -19 | * | (76 | / | 301) | = | -4.79734219 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Holly Oak Elementary | -24 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -40 | -26 | -27 | -27 | -24 | -144.0 | -28.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -10.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -46.8
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 | 51% | 47% | 43% | 48% | 45% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Evergreen Elementary school district | County of Santa Clara
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Holly Oak Elementary math proficiency
Zero+ meets standard.
39% less $meal
33% less $meal
34% less $meal
39% less $meal
37% 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.