Rose Drive Elementary (Data source)
Source data for Rose Drive 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 | 1528034 | 2476 | - | 2436 | = | 40 | * | (91 | / | 226) | = | 16.10619468 | ||
| 4 | 1528037 | 2522 | - | 2485 | = | 37 | * | (74 | / | 226) | = | 12.11504424 | ||
| 5 | 1528038 | 2544 | - | 2528 | = | 16 | * | (61 | / | 226) | = | 4.31858406 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Rose Drive Elementary | 33 | ||||||||||||
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 | 47844 | 2469 | - | 2436 | = | 33 | * | (63 | / | 216) | = | 9.62499998 | ||
| 4 | 47847 | 2525 | - | 2485 | = | 40 | * | (80 | / | 216) | = | 14.8148148 | ||
| 5 | 47848 | 2564 | - | 2528 | = | 36 | * | (73 | / | 216) | = | 12.16666663 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Rose Drive 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 | 49149 | 2481 | - | 2436 | = | 45 | * | (61 | / | 206) | = | 13.32524268 | ||
| 4 | 49151 | 2509 | - | 2485 | = | 24 | * | (62 | / | 206) | = | 7.22330095 | ||
| 5 | 49152 | 2568 | - | 2528 | = | 40 | * | (83 | / | 206) | = | 16.11650484 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Rose Drive Elementary | 37 | ||||||||||||
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 | 49171 | 2490 | - | 2436 | = | 54 | * | (66 | / | 183) | = | 19.4754098 | ||
| 4 | 49173 | 2523 | - | 2485 | = | 38 | * | (60 | / | 183) | = | 12.45901638 | ||
| 5 | 49175 | 2561 | - | 2528 | = | 33 | * | (57 | / | 183) | = | 10.2786885 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Rose Drive Elementary | 42 | ||||||||||||
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 | 49369 | 2469 | - | 2436 | = | 33 | * | (59 | / | 181) | = | 10.75690605 | ||
| 4 | 49370 | 2527 | - | 2485 | = | 42 | * | (64 | / | 181) | = | 14.85082872 | ||
| 5 | 49371 | 2566 | - | 2528 | = | 38 | * | (58 | / | 181) | = | 12.17679554 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Rose Drive Elementary | 38 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 33 | 37 | 37 | 42 | 38 | 187.0 | 37.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 46.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 28.4
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 | 23% | 23% | 24% | 24% | 24% |
| 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.
Rose Drive Elementary math proficiency
Zero+ meets standard.
18% less $meal
19% less $meal
19% less $meal
23% less $meal
21% 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.