Woodsboro Elementary (Data source)
Source data for Woodsboro 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 | 1530126 | 2430 | - | 2436 | = | -6 | * | (68 | / | 387) | = | -1.05426356 | ||
| 4 | 1530129 | 2522 | - | 2485 | = | 37 | * | (94 | / | 387) | = | 8.98708007 | ||
| 5 | 1530130 | 2541 | - | 2528 | = | 13 | * | (118 | / | 387) | = | 3.96382428 | ||
| 6 | 1530133 | 2607 | - | 2552 | = | 55 | * | (107 | / | 387) | = | 15.20671834 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Woodsboro Elementary | 27 | ||||||||||||
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 | 47909 | 2438 | - | 2436 | = | 2 | * | (62 | / | 385) | = | 0.32207792 | ||
| 4 | 47910 | 2509 | - | 2485 | = | 24 | * | (92 | / | 385) | = | 5.73506491 | ||
| 5 | 47912 | 2568 | - | 2528 | = | 40 | * | (113 | / | 385) | = | 11.74025972 | ||
| 6 | 47914 | 2614 | - | 2552 | = | 62 | * | (118 | / | 385) | = | 19.00259737 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Woodsboro Elementary | 37 | ||||||||||||
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 | 49217 | 2474 | - | 2436 | = | 38 | * | (75 | / | 377) | = | 7.5596817 | ||
| 4 | 49218 | 2509 | - | 2485 | = | 24 | * | (91 | / | 377) | = | 5.79310344 | ||
| 5 | 49221 | 2563 | - | 2528 | = | 35 | * | (102 | / | 377) | = | 9.46949602 | ||
| 6 | 49222 | 2623 | - | 2552 | = | 71 | * | (109 | / | 377) | = | 20.52785143 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Woodsboro Elementary | 43 | ||||||||||||
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 | 49230 | 2451 | - | 2436 | = | 15 | * | (51 | / | 362) | = | 2.11325966 | ||
| 4 | 49233 | 2541 | - | 2485 | = | 56 | * | (107 | / | 362) | = | 16.55248616 | ||
| 5 | 49234 | 2564 | - | 2528 | = | 36 | * | (94 | / | 362) | = | 9.34806629 | ||
| 6 | 49237 | 2614 | - | 2552 | = | 62 | * | (110 | / | 362) | = | 18.83977899 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Woodsboro Elementary | 47 | ||||||||||||
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 | 49430 | 2459 | - | 2436 | = | 23 | * | (53 | / | 339) | = | 3.59587019 | ||
| 4 | 49431 | 2539 | - | 2485 | = | 54 | * | (66 | / | 339) | = | 10.51327431 | ||
| 5 | 49432 | 2572 | - | 2528 | = | 44 | * | (125 | / | 339) | = | 16.22418877 | ||
| 6 | 49433 | 2627 | - | 2552 | = | 75 | * | (95 | / | 339) | = | 21.0176991 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Woodsboro Elementary | 51 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 27 | 37 | 43 | 47 | 51 | 205.0 | 41.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 68.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 14.0
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 | 25% | 25% | 22% | 30% | 27% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Placentia-Yorba Linda Unified school district | County of Orange
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.
Woodsboro Elementary math proficiency
Zero+ meets standard.
18% less $meal
22% less $meal
19% less $meal
27% less $meal
25% 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.