Lenwood Elementary (Data source)
Source data for Lenwood 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 | 1945753 | 2353 | - | 2436 | = | -83 | * | (65 | / | 238) | = | -22.66806717 | ||
| 4 | 1945756 | 2388 | - | 2485 | = | -97 | * | (73 | / | 238) | = | -29.75210083 | ||
| 5 | 1945757 | 2429 | - | 2528 | = | -99 | * | (54 | / | 238) | = | -22.46218484 | ||
| 6 | 1945760 | 2463 | - | 2552 | = | -89 | * | (46 | / | 238) | = | -17.20168059 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Lenwood Elementary | -92 | ||||||||||||
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 | 59949 | 2365 | - | 2436 | = | -71 | * | (68 | / | 247) | = | -19.54655865 | ||
| 4 | 59950 | 2393 | - | 2485 | = | -92 | * | (70 | / | 247) | = | -26.07287443 | ||
| 5 | 59952 | 2411 | - | 2528 | = | -117 | * | (58 | / | 247) | = | -27.47368412 | ||
| 6 | 59954 | 2468 | - | 2552 | = | -84 | * | (51 | / | 247) | = | -17.34412949 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Lenwood Elementary | -90 | ||||||||||||
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 | 61679 | 2367 | - | 2436 | = | -69 | * | (80 | / | 244) | = | -22.62295079 | ||
| 4 | 61681 | 2402 | - | 2485 | = | -83 | * | (66 | / | 244) | = | -22.45081965 | ||
| 5 | 61683 | 2412 | - | 2528 | = | -116 | * | (44 | / | 244) | = | -20.91803269 | ||
| 6 | 61685 | 2442 | - | 2552 | = | -110 | * | (54 | / | 244) | = | -24.34426225 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Lenwood Elementary | -90 | ||||||||||||
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 | 61770 | 2364 | - | 2436 | = | -72 | * | (86 | / | 264) | = | -23.4545454 | ||
| 4 | 61772 | 2384 | - | 2485 | = | -101 | * | (88 | / | 264) | = | -33.66666663 | ||
| 5 | 61774 | 2399 | - | 2528 | = | -129 | * | (49 | / | 264) | = | -23.94318174 | ||
| 6 | 61776 | 2475 | - | 2552 | = | -77 | * | (41 | / | 264) | = | -11.95833331 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Lenwood Elementary | -93 | ||||||||||||
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 | 62040 | 2359 | - | 2436 | = | -77 | * | (103 | / | 316) | = | -25.09810126 | ||
| 4 | 62041 | 2394 | - | 2485 | = | -91 | * | (99 | / | 316) | = | -28.50949365 | ||
| 5 | 62042 | 2420 | - | 2528 | = | -108 | * | (56 | / | 316) | = | -19.13924041 | ||
| 6 | 62043 | 2451 | - | 2552 | = | -101 | * | (58 | / | 316) | = | -18.5379746 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Lenwood Elementary | -91 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -92 | -90 | -90 | -93 | -91 | -456.0 | -91.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -88.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -94.2
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 | 89% | 88% | 87% | 86% | 90% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Barstow Unified school district | County of San Bernardino
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.
Lenwood Elementary math proficiency
Zero+ meets standard.
83% less $meal
82% less $meal
82% less $meal
83% less $meal
89% 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 Barstow Unified (7)
| Barstow Fine Arts Academy | Cameron Elementary | Crestline Elementary |
| Henderson Elementary | Lenwood Elementary | Montara Elementary |
| Skyline North Elementary |