La Costa Meadows Elementary (Data source)
Source data for La Costa Meadows 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 | 2340058 | 2486 | - | 2436 | = | 50 | * | (156 | / | 486) | = | 16.0493827 | ||
| 4 | 2340059 | 2512 | - | 2485 | = | 27 | * | (168 | / | 486) | = | 9.33333332 | ||
| 5 | 2340062 | 2535 | - | 2528 | = | 7 | * | (162 | / | 486) | = | 2.33333333 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for La Costa Meadows Elementary | 28 | ||||||||||||
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 | 71516 | 2450 | - | 2436 | = | 14 | * | (148 | / | 473) | = | 4.38054967 | ||
| 4 | 71517 | 2533 | - | 2485 | = | 48 | * | (160 | / | 473) | = | 16.23678643 | ||
| 5 | 71520 | 2558 | - | 2528 | = | 30 | * | (165 | / | 473) | = | 10.46511627 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for La Costa Meadows Elementary | 31 | ||||||||||||
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 | 73408 | 2467 | - | 2436 | = | 31 | * | (143 | / | 450) | = | 9.85111109 | ||
| 4 | 73410 | 2517 | - | 2485 | = | 32 | * | (149 | / | 450) | = | 10.59555555 | ||
| 5 | 73413 | 2566 | - | 2528 | = | 38 | * | (158 | / | 450) | = | 13.34222222 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for La Costa Meadows Elementary | 34 | ||||||||||||
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 | 73547 | 2463 | - | 2436 | = | 27 | * | (148 | / | 445) | = | 8.97977526 | ||
| 4 | 73549 | 2507 | - | 2485 | = | 22 | * | (154 | / | 445) | = | 7.61348313 | ||
| 5 | 73551 | 2561 | - | 2528 | = | 33 | * | (143 | / | 445) | = | 10.60449436 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for La Costa Meadows 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 | 74009 | 2448 | - | 2436 | = | 12 | * | (139 | / | 437) | = | 3.81693364 | ||
| 4 | 74010 | 2520 | - | 2485 | = | 35 | * | (152 | / | 437) | = | 12.17391301 | ||
| 5 | 74011 | 2553 | - | 2528 | = | 25 | * | (146 | / | 437) | = | 8.35240273 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for La Costa Meadows Elementary | 24 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 28 | 31 | 34 | 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: 37.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 19.8
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 | 12% | 11% | 11% | 15% | 14% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
San Marcos Unified school district | County of San Diego
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.
La Costa Meadows Elementary math proficiency
Zero+ meets standard.
8% less $meal
8% less $meal
7% less $meal
11% less $meal
12% 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.