Blosser Lane Elementary (Data source)
Source data for Blosser Lane 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 | 1288205 | 2363 | - | 2436 | = | -73 | * | (100 | / | 317) | = | -23.02839115 | ||
| 4 | 1288206 | 2422 | - | 2485 | = | -63 | * | (120 | / | 317) | = | -23.84858039 | ||
| 5 | 1288209 | 2458 | - | 2528 | = | -70 | * | (97 | / | 317) | = | -21.4195583 | ||
| 7 | 1288210 | 0 | - | 2567 | = | * | (0 | / | 317) | = | ||||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Blosser Lane Elementary | -68 | ||||||||||||
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 | 40346 | 2375 | - | 2436 | = | -61 | * | (99 | / | 308) | = | -19.60714283 | ||
| 4 | 40348 | 2425 | - | 2485 | = | -60 | * | (96 | / | 308) | = | -18.70129866 | ||
| 5 | 40351 | 2447 | - | 2528 | = | -81 | * | (113 | / | 308) | = | -29.7175324 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Blosser Lane Elementary | -68 | ||||||||||||
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 | 41357 | 2379 | - | 2436 | = | -57 | * | (112 | / | 313) | = | -20.39616613 | ||
| 4 | 41359 | 2413 | - | 2485 | = | -72 | * | (103 | / | 313) | = | -23.6932907 | ||
| 5 | 41361 | 2440 | - | 2528 | = | -88 | * | (98 | / | 313) | = | -27.55271561 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Blosser Lane Elementary | -72 | ||||||||||||
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 | 41387 | 2368 | - | 2436 | = | -68 | * | (84 | / | 286) | = | -19.97202792 | ||
| 4 | 41388 | 2415 | - | 2485 | = | -70 | * | (109 | / | 286) | = | -26.67832167 | ||
| 5 | 41391 | 2452 | - | 2528 | = | -76 | * | (93 | / | 286) | = | -24.7132867 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Blosser Lane Elementary | -71 | ||||||||||||
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 | 41529 | 2387 | - | 2436 | = | -49 | * | (104 | / | 296) | = | -17.2162162 | ||
| 4 | 41530 | 2418 | - | 2485 | = | -67 | * | (83 | / | 296) | = | -18.78716214 | ||
| 5 | 41531 | 2458 | - | 2528 | = | -70 | * | (108 | / | 296) | = | -25.54054048 | ||
| 6 | 41532 | 0 | - | 2552 | = | * | (0 | / | 296) | = | ||||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Blosser Lane Elementary | -62 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -68 | -68 | -72 | -71 | -62 | -341.0 | -68.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -59.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -77.2
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 | 72% | 68% | 71% | 80% | 79% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Willits Unified school district | County of Mendocino
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.
Blosser Lane Elementary math proficiency
Zero+ meets standard.
62% less $meal
64% less $meal
63% less $meal
76% less $meal
74% 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 Willits Unified (3)
| Blosser Lane Elementary | Brookside Elementary | Sherwood |