Beresford Elementary (Data source)
Source data for Beresford 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 | 2552229 | 2466 | - | 2436 | = | 30 | * | (45 | / | 138) | = | 9.78260868 | ||
| 4 | 2552232 | 2465 | - | 2485 | = | -20 | * | (47 | / | 138) | = | -6.8115942 | ||
| 5 | 2552233 | 2507 | - | 2528 | = | -21 | * | (46 | / | 138) | = | -6.99999999 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Beresford Elementary | -4 | ||||||||||||
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 | 77786 | 2465 | - | 2436 | = | 29 | * | (33 | / | 128) | = | 7.4765625 | ||
| 4 | 77787 | 2473 | - | 2485 | = | -12 | * | (47 | / | 128) | = | -4.40625 | ||
| 5 | 77790 | 2477 | - | 2528 | = | -51 | * | (48 | / | 128) | = | -19.125 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Beresford Elementary | -16 | ||||||||||||
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 | 79939 | 2440 | - | 2436 | = | 4 | * | (47 | / | 132) | = | 1.42424242 | ||
| 4 | 79940 | 2512 | - | 2485 | = | 27 | * | (30 | / | 132) | = | 6.13636363 | ||
| 5 | 79943 | 2473 | - | 2528 | = | -55 | * | (55 | / | 132) | = | -22.91666663 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Beresford Elementary | -15 | ||||||||||||
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 | 80088 | 2460 | - | 2436 | = | 24 | * | (52 | / | 119) | = | 10.48739494 | ||
| 4 | 80089 | 2469 | - | 2485 | = | -16 | * | (37 | / | 119) | = | -4.9747899 | ||
| 5 | 80092 | 2527 | - | 2528 | = | -1 | * | (30 | / | 119) | = | -0.25210084 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Beresford Elementary | 5 | ||||||||||||
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 | 80581 | 2487 | - | 2436 | = | 51 | * | (43 | / | 131) | = | 16.74045797 | ||
| 4 | 80582 | 2492 | - | 2485 | = | 7 | * | (47 | / | 131) | = | 2.51145038 | ||
| 5 | 80583 | 2464 | - | 2528 | = | -64 | * | (41 | / | 131) | = | -20.03053434 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Beresford Elementary | -1 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -4 | -16 | -15 | 5 | -1 | -31.0 | -6.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 20.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -33.2
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 | 48% | 48% | 48% | 45% | 49% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
San Mateo-Foster City school district | County of San Mateo
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.
Beresford Elementary math proficiency
Zero+ meets standard.
44% less $meal
45% less $meal
46% less $meal
42% 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.