Grant Elementary (Data source)
Source data for Grant 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 | 113042 | 2376 | - | 2436 | = | -60 | * | (73 | / | 182) | = | -24.06593406 | ||
| 4 | 113045 | 2452 | - | 2485 | = | -33 | * | (59 | / | 182) | = | -10.69780219 | ||
| 5 | 113046 | 2467 | - | 2528 | = | -61 | * | (50 | / | 182) | = | -16.75824171 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Grant Elementary | -52 | ||||||||||||
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 | 3152 | 2400 | - | 2436 | = | -36 | * | (70 | / | 185) | = | -13.62162161 | ||
| 4 | 3153 | 2448 | - | 2485 | = | -37 | * | (67 | / | 185) | = | -13.39999999 | ||
| 5 | 3155 | 2506 | - | 2528 | = | -22 | * | (48 | / | 185) | = | -5.7081081 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Grant Elementary | -33 | ||||||||||||
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 | 3263 | 2395 | - | 2436 | = | -41 | * | (67 | / | 182) | = | -15.09340659 | ||
| 4 | 3266 | 2462 | - | 2485 | = | -23 | * | (59 | / | 182) | = | -7.45604395 | ||
| 5 | 3267 | 2448 | - | 2528 | = | -80 | * | (56 | / | 182) | = | -24.61538456 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Grant Elementary | -47 | ||||||||||||
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 | 3259 | 2385 | - | 2436 | = | -51 | * | (66 | / | 182) | = | -18.49450546 | ||
| 4 | 3261 | 2462 | - | 2485 | = | -23 | * | (60 | / | 182) | = | -7.58241757 | ||
| 5 | 3263 | 2444 | - | 2528 | = | -84 | * | (56 | / | 182) | = | -25.84615379 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Grant Elementary | -52 | ||||||||||||
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 | 3289 | 2389 | - | 2436 | = | -47 | * | (72 | / | 177) | = | -19.11864407 | ||
| 4 | 3290 | 2424 | - | 2485 | = | -61 | * | (61 | / | 177) | = | -21.02259885 | ||
| 5 | 3291 | 2457 | - | 2528 | = | -71 | * | (44 | / | 177) | = | -17.64971747 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Grant Elementary | -58 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -52 | -33 | -47 | -52 | -58 | -242.0 | -48.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -21.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -75.4
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 | 65% | 65% | 59% | 62% | 55% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
San Lorenzo Unified school district | County of Alameda
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.
Grant Elementary math proficiency
Zero+ meets standard.
51% less $meal
49% less $meal
43% less $meal
49% less $meal
43% 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 San Lorenzo Unified (9)
| Bay Elementary | Colonial Acres Elementary | Corvallis Elementary |
| Dayton Elementary | Del Rey Elementary | Grant Elementary |
| Hesperian Elementary | Hillside Elementary | Lorenzo Manor Elementary |