Bay Laurel Elementary (Data source)
Source data for Bay Laurel 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 | 749904 | 2475 | - | 2436 | = | 39 | * | (119 | / | 336) | = | 13.81249997 | ||
| 4 | 749905 | 2498 | - | 2485 | = | 13 | * | (105 | / | 336) | = | 4.0625 | ||
| 5 | 749908 | 2513 | - | 2528 | = | -15 | * | (112 | / | 336) | = | -5.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Bay Laurel Elementary | 13 | ||||||||||||
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 | 23578 | 2460 | - | 2436 | = | 24 | * | (86 | / | 317) | = | 6.511041 | ||
| 4 | 23581 | 2513 | - | 2485 | = | 28 | * | (117 | / | 317) | = | 10.33438484 | ||
| 5 | 23583 | 2542 | - | 2528 | = | 14 | * | (114 | / | 317) | = | 5.03470031 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Bay Laurel Elementary | 22 | ||||||||||||
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 | 24051 | 2448 | - | 2436 | = | 12 | * | (94 | / | 301) | = | 3.7475083 | ||
| 4 | 24054 | 2494 | - | 2485 | = | 9 | * | (92 | / | 301) | = | 2.75083056 | ||
| 5 | 24056 | 2554 | - | 2528 | = | 26 | * | (115 | / | 301) | = | 9.9335548 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Bay Laurel Elementary | 16 | ||||||||||||
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 | 24071 | 2461 | - | 2436 | = | 25 | * | (91 | / | 287) | = | 7.92682925 | ||
| 4 | 24072 | 2477 | - | 2485 | = | -8 | * | (103 | / | 287) | = | -2.87108014 | ||
| 5 | 24075 | 2526 | - | 2528 | = | -2 | * | (93 | / | 287) | = | -0.64808362 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Bay Laurel Elementary | 4 | ||||||||||||
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 | 24246 | 2452 | - | 2436 | = | 16 | * | (91 | / | 280) | = | 5.2 | ||
| 4 | 24247 | 2501 | - | 2485 | = | 16 | * | (91 | / | 280) | = | 5.2 | ||
| 5 | 24248 | 2504 | - | 2528 | = | -24 | * | (98 | / | 280) | = | -8.4 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Bay Laurel Elementary | 2 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 13 | 22 | 16 | 4 | 2 | 57.0 | 11.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 35.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -12.6
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 | 3% | 4% | 5% | 7% | 7% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Las Virgenes Unified school district | County of Los Angeles
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.
Bay Laurel Elementary math proficiency
Zero+ meets standard.
3% less $meal
3% less $meal
4% less $meal
7% less $meal
7% 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.
Elementary School (Public) schools in Las Virgenes Unified (8)
| Bay Laurel Elementary | Chaparral Elementary | Lupin Hill Elementary |
| Round Meadow Elementary | Sumac Elementary | White Oak Elementary |
| Willow Elementary | Yerba Buena Elementary |