Dayton Elementary (Data source)
Source data for Dayton 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 | 112068 | 2416 | - | 2436 | = | -20 | * | (81 | / | 257) | = | -6.30350194 | ||
| 4 | 112071 | 2445 | - | 2485 | = | -40 | * | (93 | / | 257) | = | -14.47470816 | ||
| 5 | 112072 | 2449 | - | 2528 | = | -79 | * | (83 | / | 257) | = | -25.51361864 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Dayton Elementary | -46 | ||||||||||||
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 | 3128 | 2407 | - | 2436 | = | -29 | * | (77 | / | 250) | = | -8.932 | ||
| 4 | 3129 | 2476 | - | 2485 | = | -9 | * | (88 | / | 250) | = | -3.168 | ||
| 5 | 3131 | 2470 | - | 2528 | = | -58 | * | (85 | / | 250) | = | -19.72 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Dayton Elementary | -32 | ||||||||||||
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 | 3240 | 2412 | - | 2436 | = | -24 | * | (87 | / | 242) | = | -8.62809917 | ||
| 4 | 3241 | 2440 | - | 2485 | = | -45 | * | (78 | / | 242) | = | -14.50413221 | ||
| 5 | 3243 | 2508 | - | 2528 | = | -20 | * | (77 | / | 242) | = | -6.36363636 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Dayton Elementary | -29 | ||||||||||||
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 | 3236 | 2423 | - | 2436 | = | -13 | * | (82 | / | 237) | = | -4.49789029 | ||
| 4 | 3237 | 2448 | - | 2485 | = | -37 | * | (82 | / | 237) | = | -12.80168776 | ||
| 5 | 3240 | 2475 | - | 2528 | = | -53 | * | (73 | / | 237) | = | -16.32489448 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Dayton Elementary | -34 | ||||||||||||
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 | 3265 | 2426 | - | 2436 | = | -10 | * | (80 | / | 237) | = | -3.37552742 | ||
| 4 | 3266 | 2459 | - | 2485 | = | -26 | * | (83 | / | 237) | = | -9.10548522 | ||
| 5 | 3267 | 2476 | - | 2528 | = | -52 | * | (74 | / | 237) | = | -16.23628687 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Dayton Elementary | -29 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -46 | -32 | -29 | -34 | -29 | -170.0 | -34.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -13.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -55.0
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 | 57% | 62% | 62% | 63% | 60% |
| 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.
Dayton Elementary math proficiency
Zero+ meets standard.
44% less $meal
49% less $meal
47% less $meal
53% less $meal
47% 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 |