Lakewood Elementary (Data source)
Source data for Lakewood 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 | 2729676 | 2413 | - | 2436 | = | -23 | * | (80 | / | 217) | = | -8.47926266 | ||
| 4 | 2729679 | 2450 | - | 2485 | = | -35 | * | (75 | / | 217) | = | -12.09677417 | ||
| 5 | 2729680 | 2492 | - | 2528 | = | -36 | * | (62 | / | 217) | = | -10.28571426 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Lakewood Elementary | -31 | ||||||||||||
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 | 83019 | 2404 | - | 2436 | = | -32 | * | (73 | / | 221) | = | -10.57013574 | ||
| 4 | 83020 | 2464 | - | 2485 | = | -21 | * | (74 | / | 221) | = | -7.03167419 | ||
| 5 | 83023 | 2468 | - | 2528 | = | -60 | * | (74 | / | 221) | = | -20.09049768 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Lakewood Elementary | -38 | ||||||||||||
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 | 85341 | 2418 | - | 2436 | = | -18 | * | (65 | / | 218) | = | -5.36697247 | ||
| 4 | 85342 | 2433 | - | 2485 | = | -52 | * | (74 | / | 218) | = | -17.65137613 | ||
| 5 | 85344 | 2475 | - | 2528 | = | -53 | * | (79 | / | 218) | = | -19.20642201 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Lakewood Elementary | -42 | ||||||||||||
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 | 85560 | 2425 | - | 2436 | = | -11 | * | (64 | / | 203) | = | -3.46798029 | ||
| 4 | 85563 | 2467 | - | 2485 | = | -18 | * | (65 | / | 203) | = | -5.76354679 | ||
| 5 | 85564 | 2477 | - | 2528 | = | -51 | * | (74 | / | 203) | = | -18.59113297 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Lakewood Elementary | -28 | ||||||||||||
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 | 86150 | 2413 | - | 2436 | = | -23 | * | (57 | / | 190) | = | -6.9 | ||
| 4 | 86151 | 2473 | - | 2485 | = | -12 | * | (67 | / | 190) | = | -4.23157894 | ||
| 5 | 86152 | 2482 | - | 2528 | = | -46 | * | (66 | / | 190) | = | -15.97894737 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Lakewood Elementary | -27 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -31 | -38 | -42 | -28 | -27 | -166.0 | -33.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -15.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -51.2
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 | 66% | 62% | 60% | 58% | 55% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Sunnyvale school district | County of Santa Clara
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.
Lakewood Elementary math proficiency
Zero+ meets standard.
51% less $meal
46% less $meal
47% less $meal
48% less $meal
44% 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 Sunnyvale (8)
| Bishop Elementary | Cherry Chase Elementary | Cumberland Elementary |
| Ellis Elementary | Fairwood Elementary | Lakewood Elementary |
| San Miguel Elementary | Vargas Elementary |